Job Description

• Industry/ Organization Type: Manufacturing
• Position Title: Sales Coordinator
• Working Location: Tai Seng
• Working Hours: 5.5 days (Mon to Fri: 8.30am – 5.30pm, Sat: 8.30am – 1pm)
• Salary Package: Basic salary $2,300 - $2,800 + Performance Bonus
• Duration: Permanent

Key Responsibilities

• Accurately process sales orders in the system, ensuring correct product details, pricing, and customer information.
• Prepare and maintain sales documents, including quotations, invoices, contracts, and sales reports.
• Assist the sales team in preparing presentations, proposals, and any other necessary documents.

APPLY NOW!!!

• Has relevant experience in similar role.
• Experience with SAP or ERP system.
• Able to start immediately.

Please apply through ANY of the following methods:

• Submit your application by clicking the APPLY button;
• Email your resume to Job(at)anradus.com.sg. Please indicate #71134 on the email subject.

Anradus Application Policy: We value each application and ensure every resume is reviewed. Our process is efficient, typically concluding within 3 working days. If you do not receive communication from us within this timeframe, it's likely that your application has not been shortlisted by our client. In such cases, we recommend continuing your job search to maximize your opportunities.

Anradus Pte Ltd | EA License No. 20C0161 | Adelin Chong | EA Reg No.: R1875641

Responsibilities:
• Sales order processing (prepare sales order, quotations, invoices, and delivery order) for local and overseas markets.
• Work closely with the Sales Team to support quotations and sales enquiries.
• Handle shipping and export documentations for overseas customers.
• Liaise with forwarders/transporters on shipping arrangement.
• Maintain up to date orders information to customers.
• Assist in data compilations, sales and order history reports for manager and customers.
• Update and maintain pricing in the computer system.

Requirements:
• Nitec / Diploma Holders
• Export documentation and Shipping knowledge required
• Proficient in MS Office application
• Good team player and able to perform task without much supervision
• Good working attitude and responsible

Please submit your resume in MS Word format to [email protected]

Please remember to include your
1) Recent photo
2) Current salary & Expected salary
3) Notice period

UNITED PERSONNEL SERVICES
21 Bukit Batok Crescent
#11-74 WCEGA Tower
Singapore 658065
Tel: +65 6565 1939
www.united-personnel.com

EA Licence Number: 05C5278
Registration No.: R1103477

(All applications will be treated in strictest confidence. We regret that only shortlisted candidates would be notified)

Introduction:

Hostmost Group of Companies is a leading Marine Radio Communications and Navigation system service provider. Established in 1989, we have expanded our operations globally, providing reliable services to clients across different regions. With 14 wholly owned offices and depots spanning Asia to North America, we pride ourselves on maintaining a strong global service network. At Hostmost Group, we believe in continuous improvement and invest in staff training to stay ahead of industry trends and requirements. Our group is currently expanding and there will be several vacancies available.

Job Descriptions:

Manage sales enquires and process quotations.

Process sales or service orders.

Process draft billings.

Meet up with customers.

Any ad hoc duties as assigned

Requirement:

Diploma & above.

Minimum 2 years of sales or admin experience. Commensurate with experience.

Knowledge of SAP will be an advantage.

Location:

Near Pasir Panjang MRT station (SINGAPORE)

Interested candidates who wish to apply for the advertised position, please send full resume with the following details:

1. Reasons for leaving ALL your employment

2. Current & expected salary

We regret that only shortlisted candidates will be notified.

Education:

Local Polytechnic Diploma (Preferred)

Experience:

Sales: 2 years (Preferred)

Job Types: Full-time, Permanent

Benefits:

Dental insurance

Health insurance

Supplemental Pay:

13th month salary

Performance bonus

Work Location: In person

Responsibilities:

• To assist the operation manager on daily sales and order processing as well as to work closely with the operation manager on all project and/or budgetary enquiries
• Ensures that all urgent correspondence and enquiries to be carried out efficiently and report to operation manager if and when necessary
• You are also responsible to resolve minor issues of a non-technical nature and to report major issues to operation manager for a solution
• Compile an updated file for pricing from local and overseas vendors for submission to the operation on a monthly basis

Essential Functions:

• Responsible for day-to-day sales operation including preparing of sales enquiries up to execution of order
• Good filing system in hard and soft copies for all enquiries up to completion of order
• Preparation of enquiries from cost sheet to recommendation for purchase of project enquiries
• To identify new supply source to add to company’s supplier’s database
• Ad-hoc data entry

Work location: Tuas

Responsibilities:

• Generate purchase and delivery orders and invoices
• Check all payment invoices for accuracy and prepare payments to suppliers
• Liaise with suppliers to place order
• Liaise with customers and installation team and manage installation schedule and routes
• Preparation of sales quotation and follow up with customers on confirmed sales orders

Requirements:

• Able to perform and eager to learn
• Good negotiation and communication skills
• Able to work under pressure
• Computer literate and good communication skill
• Immediate Availability/within short notice
• Working hours & days: 5 days work week, 9am to 6pm
• Working location - Ubi

Responsibilities:

• Generate purchase and delivery orders and invoices
• Check all payment invoices for accuracy and prepare payments to suppliers
• Liaise with suppliers to place order
• Liaise with customers and installation team and manage installation schedule and routes
• Preparation of sales quotation and follow up with customers on confirmed sales orders

Requirements:

• Able to perform and eager to learn
• Good negotiation and communication skills
• Able to work under pressure
• Computer literate and good communication skill
• Immediate Availability/within short notice
• Working hours & days：5 days work week 9am to 6pm
• Working location - Ubi

Location: East

Working Hours: Mon-Fri 9am-5.30pm

Jobs description

· Establish good working relationships with key customers

· Support business reviews with customers

· Establish and maintain customer price updates & price file management

· Conduct regular reviews of customer margin to maintain profitability

· Process customer orders and ensure orders are progressed to support requirements

· Advise customer delivery dates on their Purchase Orders

· Analysis of customer schedules to ensure stock availability

· Creation of works orders to be sent, liaising with warehouse for despatch/receipt.

· Liaising with warehouse to ensure orders are despatched on time to your customers.

· Support AR department when needed to ensure outstanding invoices are paid.

Requirement

· Proficient in Microsoft Office/Excel

By submitting any application or résumé to us, you will be deemed to have agreed and consented to us disclosing your personal information to prospective employers for their consideration.

We regret to inform you that only shortlisted candidates will be notified. All applications will be treated with the strictest confidence.

Elitez Pte Ltd | EA Licence: 16C8004| Tiong Hong Wee | Registration No: R23115259

- Handle indoor sales enquires

· Handle walk-in clients

· Prepare Quotation/ Delivery Order/ Invoices

- Follow up on Quotation

· Follow up on outstanding payment

· Logistic Planning. Schedule planning for jobs

-After sales follow up

-Put up Purchase order

-Liaise with Supplier

-Able to liaise internally with workshop for sales delivery

Job Description

Responsible for all sales administrative activities for the sales team

Responsibilities:

• Assist the Sales Manager to process and fulfil customer’s orders.
• Coordinate with logistics team on order picking and collection/delivery arrangement.
• Communicate with customers on their order status.
• Develop and maintain good working relations with customers to achieve total customer satisfaction.
• Monitor collection and follow up any overdue payment.
• Any ad-hoc duties as assigned

Requirements:

• Diploma in any related field
• Computer literate and proficient in MS office (Word, Excel)
• Positive working attitude, willing to learn and a team player

A one-stop IT solution-sourcing centre. Preferred IT vendor to over 3000 companies which include SMEs, government bodies, and educational institutions.

This role will be based in Kaki Bukit.

Job Responsibilities:

• Manage day-to-day sales operation
• Sales Order Processing: Quotation, Sales Order, Purchases Order, Delivery Order, Invoicing
• Professionally handle high volume of inquiries and assist to provide effective solution for customers’ issues
• Provide excellent support and customer-service
• Proactively sourcing for new sales opportunities through inbound lead follow-up
• Connect with key customer contacts (external) as needed
• Coordinate projects and support lead manager. Ensuring projects are worked according to agreed plan and kept on schedule
• Liaise with internal teams such as Finance, Procurement, Logistics and Marketing
• Assist in preparation & submission of relevant reports and documents for tenders
• Attend frequent online/ offline product trainings arranged by vendors

Job Requirements:

• Diploma in Business or related field
• At least 1-2 Year(s) of working experience in related field
• Exposure to computer hardware/ software/ maintenance contract is preferred
• Ready for dynamic and fast-paced environment
• Strong phone presence, interpersonal & customer service oriented
• Excited about the opportunity to develop consultative sales skills and aiding team to meet monthly targets
• Enjoying interacting and communicating with people, and maintain good rapport with our IT Business Partners
• Proficient in MS Office

Salary: $2,200-$2,700

Working Day: Mon to Fri 830am-530pm; Sat 830am-12pm (Alternate Sat after probation)

Location: 48 Toh Guan Rd E, Jurong East

Responsibilities:

• Handling sales enquiries;
• Preparing quotations;
• Order processing;
• Coordinate with operations team;
• Support project team for project sales

Requirements:

• Experience in sales / administrative roles
• Basic computer / MS office literacy

Low Jia Yi R22104302

The Supreme HR Advisory Pte Ltd 14C7279

• $2,200-$2,700
• 5.5 days (After 3 mths probation alternate Sat)
• 830am-530pm; 830am-12pm
• Jurong East

Responsibilities:

• Handling sales enquiries;
• Preparing quotations;
• Order processing;
• Coordinate with operations team;
• Support project team for project sales

Requirements:

• Experience in sales / administrative roles
• Basic computer / MS office literacy

Leong Jia Qi Reg No. : R24124746

The Supreme HR Advisory Pte Ltd EA No. : 14C7279

Salary: $2,200-$2,700

Working Day: Mon to Fri 830am-530pm; Sat 830am-12pm (Alternate Sat after probation)

Location: 48 Toh Guan Rd E, Jurong East

Responsibilities:

• Handling sales enquiries;
• Preparing quotations;
• Order processing;
• Coordinate with operations team;
• Support project team for project sales

Requirements:

• Experience in sales / administrative roles
• Basic computer / MS office literacy

Low Jia Yi R22104302

The Supreme HR Advisory Pte Ltd 14C7279

• Process sales orders & quotation in a timely manner.
• Prompt response to new / repeat orders received via e-mails and faxes.
• Assist in monitoring all pending sales orders, updating customers regularly on delivery date and in keeping the customers informed of delivery schedule.
• Responsible for coordinating with Accounts Department to ensure prompt payment collection for cash on delivery transaction and with Purchasing Department on incoming stock.
• Release job order to production in the correct order and ensure delivery arrangement to customers orders are delivered timely.
• Update superior on any data discrepancies.
• Prepare documentation for delivery purposes and apply product certification from relevant authorities for custom requirement.
• With purchasing experience & logistic knowledge
• Able to communicate in english & mandarin
• Other ad-hoc duties as assigned.

• Manage distributor relationships, including procurement and customer service support.
• Provide excellent customer support to corporate clients, overseeing their orders and requests from start to finish.
• Respond promptly to customer inquiries, including quotations, service support, and documentation.
• Prepare and deliver quotations to customers in a timely manner.
• Compile and submit required documents through customers' management systems.
• Proactively update customers on order statuses and shipping schedules.
• Maintain accurate spare parts price lists for customers.
• Coordinate with customers, freight forwarders, and internal teams to ensure timely order fulfillment and shipment execution.
• Prepare and submit necessary documentation for customer customs queries.
• Collaborate closely with internal teams to resolve customer issues and implement solutions.

Requirements:

• At least 3 years of relevant experience, preferably in distribution handling, logistics, manufacutring, or electronic industry.
• Previous experience in a customer service role, order processing.
• Immediate starter is a plus

Interested applicants for the above advertised position(s), please kindly email an updated copy of your resume to: [email protected]

EA License No.: 13C6305

Reg. No.: R23117344

For candidate who applied for the advertised position is deemed to have consented to us that we may collect, use or disclose your personal information for purpose in connection with the services provided by us.

-opening of new accounts as well as mantainance of existing company accounts

-provide custome service to all customers which includes service delivery, setup, payment

-take part in overseas roadshows, events and exhibitions

-assist in planning, coordinating and monitoring the execution of marketing plans

-assist in providing vocational and product training internally & externally

-commission on top of basic salary upon confirmation

Requirements

-Able to easily communicate with people, adaptable

-Ability to write and speak proficient English a must, additional languages ability preferred

-Independent, Fast Learner, Responsible

-Familiar with travel, use of laptops and office software

-Able to plan, work and achieve sales target

Training and mentoring will be provided

Responsibilities:

• To assist the operation manager on daily sales and order processing as well as to work closely with the operation manager on all project and/or budgetary enquiries
• Ensures that all urgent correspondence and enquiries to be carried out efficiently and report to operation manager if and when necessary
• You are also responsible to resolve minor issues of a non-technical nature and to report major issues to operation manager for a solution
• Compile an updated file for pricing from local and overseas vendors for submission to the operation on a monthly basis

Essential Functions:

• Responsible for day-to-day sales operation including preparing of sales enquiries up to execution of order
• Good filing system in hard and soft copies for all enquiries up to completion of order
• Preparation of enquiries from cost sheet to recommendation for purchase of project enquiries
• To identify new supply source to add to company’s supplier’s database
• Ad-hoc data entry

Work location: Tuas

Job Description & Requirements
The role of a Sales Support Executive / Coordinator / Admin is responsible for rendering all the after-sales support services to the customers. This includes processing of orders, preparing internal & external credit notes, payment collection, preparation of quotations, contracts, mailers, samples and coordination with other departments.

Specific Responsibilities
1. Responsible for taking customers’ orders via phone or email, input into system, print and sort the invoices.

2. Responsible to prepare internal & external credit notes.

3. Responsible for payment collection from customers.

4. Assist in the preparation of quotations / contracts / mailers / samples for sales team.

5. Assist point between customers and logistics department on all logistics matters.

6. Assist to check and coordinate on supply issues with warehouse, purchasing and production departments.

7. Maintain and replenish sales samples drawers.

8. Attend to office deliveries/mails as we do not have receptionist.

9. Assist in the preparation of the monthly report on sales performances to the management for sales performance evaluation when required.

10. Any other area of responsibilities that the company deems necessary.

Competency Requirements
1. GCE ‘O’ level.
2. NAV/Microsoft Dynamics 365 Business Central will be an added advantage.
3. Communication skills for coordination and customer service.

Working Hours
Monday - Friday : 8 30am - 5 45pm (1 Hour Break)
Saturday: 8 30am - 2 30pm (1 Saturday Shift Every 4 Weeks)

Job Description:

We are excited to introduce a new opportunity as part of our company's expansion. We are seeking a dynamic and motivated individual to join our team as a Sales & Marketing Coordinator, focusing on our extensive range of fall protection products.

Responsibilities:

• Assist in developing and execute sales and marketing strategies to promote our fall protection products.
• Assist the Sales Team in establishing and maintaining strong client relationships through effective communication and exceptional customer service.
• Assist the Sales Team in conducting market research to identify potential clients and evaluate market trends.
• Stay updated on industry trends, regulations, and best practices related to the fall protection and construction sectors.

Requirements:

• Demonstrated experience in the construction industry is highly desirable.
• Proficiency in digital marketing techniques and tools.
• Knowledge of work-at-heights safety practices is a significant advantage.
• Strong communication and interpersonal skills.
• Motivated, dynamic, and eager to contribute to the growth of a rapidly expanding company.

If you are enthusiastic about joining a high-growth company and have the relevant skills and experience, we encourage you to get in touch with us.Please write in with resume to [email protected]

• Location: Suntec

• Working hours: 09:00 to 17:30 (Monday to Friday)

• Salary: Up to $3,000 (depending on experience)

Job responsibilities:

• Manage and update Excel documents for monthly/quarterly/yearly sales, input and calculate each item sales and update Excel document
• Prepare shipping documents
• Communicate with suppliers (overseas) and get information for sales and prepare invoices, packing list etc
• Well communication with customers and ensuring orders are processed promptly, accurately and delivery on time
• Provide timely and effective administrative support to the Sales Team
• Other related duties assigned by the company

Job Requirements:

• Open to non-experience candidates with very good learning attitudes (OJT provided by senior staff)
• Having sales or shipping coordination experience will be a plus
• Proficient in Word, Excel
• Meticulous and responsible
• Team worker
• Flexible and supportive
• Good coordination skills
• Proficient in English and Mandarin to liaise with Mandarin-speaking supplier
• Willing to learn from other members and improve himself/herself

Interested applicants, please send your resume to Charlene (R22105303) at [email protected] with the email subject header "Sales Coordinator".

We regret that only shortlisted candidates will be notified. Other applications will be updated in our database for future job opportunities.

By submitting any resumes or applications to Pasona Singapore Pte Ltd, you are considered to have read and agreed to the terms of our Privacy Policy and consented to us collecting, using, retaining, and disclosing your personal information to prospective employers for their consideration.

Please find our Privacy Policy Agreement in the below link.

http://www.pasona.com.sg/privacy.html

Thank you for your kind understanding and co-operation.

Pasona Singapore Pte Ltd

EA License No:90C4069

(Lau Rui Lin, Charlene, EA Registration No: R22105303)

ASEANet Manpower Consulting Is a boutique search firm and our founder and consultants have years of experience from various industry and businesses background. Our expertise include Executive Search, Permanent Placement , Career Transition and Talent Development.

We connect outstanding people with the best Innovative Companies.

ASEANet Manpower Consulting offer different specialisms including:

Accounting & Finance, Admin & Secretarial, Banking, Construction, Engineering, Events, Education, Financial, F&B , Healthcare & Medical. , Supply Chain & Logistics, Manufacturing, Retail, and Information Technologies. With our professional recruitment service, we can assist

you with your desired career path.

Contact us for a FREE Consultation.

We believe that YOUR SUCCESS - IS OUR MISSION.

Our client are looking for next team members to join their growing team:

Job Responsibilities:

• Oversee day-to-day sales operations, ensuring smooth and efficient processes.
• Manage sales order processing, including quotations, sales orders, purchase orders, delivery orders, and invoicing.
• Professionally handle a high volume of inquiries, providing effective solutions to customer issues.
• Deliver excellent customer support and service to ensure satisfaction.
• Proactively source new sales opportunities through inbound lead follow-up.
• Build and maintain relationships with key customer contacts as needed.
• Coordinate projects and provide support to the lead manager, ensuring adherence to the agreed-upon plan and timelines.
• Collaborate with internal teams, including Finance, Procurement, Logistics, and Marketing, to ensure seamless operations.
• Assist in the preparation and submission of relevant reports and documents for tenders.
• Participate in regular online and offline product training sessions arranged by vendors.

Job Requirements:

• Diploma in Business or a related field.
• A minimum of 1-2 years of working experience.
• Exposure to computer hardware, software, or maintenance contracts is preferred.
• Comfortable working in a dynamic, fast-paced environment.
• Strong phone presence, with excellent interpersonal and customer service skills.
• Eagerness to develop consultative sales skills and contribute to achieving team sales targets.
• Enjoys interacting with people and maintaining positive relationships with IT business partners.
• Proficient in MS Office.

Remarks:

• Working Days: Monday to Friday
• Working Hours: 9:00 AM to 6:30 PM

Chua Mui Khim

( EA Registration Number : R22104766)

ASEANet Manpower Consulting Pte Ltd

(Co Reg : 202141565E / EA License: 21C0866)

We regret to inform that only shortlisted candidates will be notified

Job Description

• Industry/ Organization Type: Food Catering Services
• Position Title: Catering Sales Coordinator/Executive
• Working Location: Aljunied
• Working Hours: Monday – Friday, 9 am – 6 pm
• Salary Package: Basic + VB
• Duration: Permanent

Key Responsibilities

• Handle incoming calls, promptly directing them to the relevant party and/or take comprehensive messages.
• Respond to banquet queries and send standardized event proposals, including food and beverage options, service lists, and terms and conditions. Process Venue Booking Confirmation Form and sent it to member as acknowledgement and acceptance upon the realization of events.
• Distribute the Banquet Event Order (BEO) to all relevant departments.
• Prepare all visual event guides such as signage, menus, and food labels for banquet functions.
• Proactively track the progress of proposals and follow up prior to established deadlines.
• Manage and complete necessary documentation and administrative tasks for the banquet department, including orders, requisitions, purchase orders, payments, petty cash forms, and filing.
• Maintain up-to-date banquet sales records, ensuring information is accurate after the conclusion of each event.
• Manage the Banquet event calendar in Outlook, documenting all bookings clearly to avoid scheduling conflicts, and coordinating with Restaurant Managers when necessary.
• Carry out additional responsibilities to support the Banquet Department's success.
• Provide secondary support for Food & Beverage administrative tasks as needed.

APPLY NOW!!!

• Minimum Diploma in Food & Beverage/Business Administration or equivalent
• At least 1 year of relevant experience

Please apply through ANY of the following methods:

• Submit your application by clicking the APPLY button;
• Email your resume to Job(at)anradus.com.sg. Please indicate #69177 on the email subject.

Anradus Application Policy: We value each application and ensure every resume is reviewed. Our process is efficient, typically concluding within 3 working days. If you do not receive communication from us within this timeframe, it's likely that your application has not been shortlisted by our client. In such cases, we recommend continuing your job search to maximize your opportunities.

Anradus Pte Ltd | EA License No. 20C0161 | Adelin Chong | EA Reg No.: R1875641

Mon to Fri: 9:30am to 6:30pm

Job Responsibility:

• Coordinating and supporting the sales team in achieving their sales targets for insurance policies and products.

• Assist the sales team in preparing and processing insurance policies, quotes, and applications.

• Responding to inquiries about insurance coverage, policy details, claims, and related issues.

• Preparing and maintaining accurate sales reports, records, and customer databases in compliance with relevant regulations and company policies.

• Communicate effectively with team to gather required information, answer inquiries, and provide exceptional customer service.

• Provide administrative support to the sales team by managing paperwork, filing, and documentation.

• Collaborating with other Insurer departments, such as underwriting, claims, and

• marketing, to ensure a seamless and effective customer experience.

• Attending and participating in sales meetings, training sessions, and industry events to stay up-to-date on product and industry knowledge.

• Maintaining knowledge of insurance products, industry regulations, and market trends to effectively promote them to customers and agents.

• Perform basic office management tasks such as replenishment of stationaries, printers etc.

• Any other adhoc administrative duties and responsibilities as assigned by supervisor

Job Requirement:

• Min GCE ‘N’ or ‘O’ level

• Candidate must possess strong positive energy, determined and have a passion to pursue quality and success. The candidate should also be driven, self-motivated, willing to learn and can excel with minimal supervision.

• Good with Microsoft Office Suites such as Outlook, Words, Excel, PowerPoint etc.

• Candidate must have a good appreciate of Privacy.

• Training and support provided.

• Bilingual in English and Mandarin to liaise with Chinese speaking counterparts

Job Description

• Industry/ Organization Type: Manufacturing
• Position Title: Sales Coordinator
• Working Location: Tai Seng
• Working Hours: 5.5 days (Mon to Fri: 8.30am – 5.30pm, Sat: 8.30am – 1pm)
• Salary Package: Basic salary $2,300 - $2,800 + Performance Bonus
• Duration: Permanent

Key Responsibilities

• Accurately process sales orders in the system, ensuring correct product details, pricing, and customer information.
• Prepare and maintain sales documents, including quotations, invoices, contracts, and sales reports.
• Assist the sales team in preparing presentations, proposals, and any other necessary documents.

APPLY NOW!!!

• Has relevant experience in similar role.
• Experience with SAP or ERP system.
• Able to start immediately.

Please apply through ANY of the following methods:

• Submit your application by clicking the APPLY button;
• Email your resume to Job(at)anradus.com.sg. Please indicate #71134 on the email subject.

Anradus Application Policy: We value each application and ensure every resume is reviewed. Our process is efficient, typically concluding within 3 working days. If you do not receive communication from us within this timeframe, it's likely that your application has not been shortlisted by our client. In such cases, we recommend continuing your job search to maximize your opportunities.

Anradus Pte Ltd | EA License No. 20C0161 | Adelin Chong | EA Reg No.: R1875641

Responsibilities:

• To assist the operation manager on daily sales and order processing as well as to work closely with the operation manager on all project and/or budgetary enquiries
• Ensures that all urgent correspondence and enquiries to be carried out efficiently and report to operation manager if and when necessary
• You are also responsible to resolve minor issues of a non-technical nature and to report major issues to operation manager for a solution
• Compile an updated file for pricing from local and overseas vendors for submission to the operation on a monthly basis

Essential Functions:

• Responsible for day-to-day sales operation including preparing of sales enquiries up to execution of order
• Good filing system in hard and soft copies for all enquiries up to completion of order
• Preparation of enquiries from cost sheet to recommendation for purchase of project enquiries
• To identify new supply source to add to company’s supplier’s database
• Ad-hoc data entry

Work location: Tuas