We provide a wide range of services to help clients with all of the front-end work that goes into a product before actual production begins. Some of those services include preliminary design, material selection, pricing, mold design, evaluation and procurement, CAD/CAM, surface modeling, and communication with the customer’s engineering department. For each part we manufacture we will do the DFM study and mold flow analysis which will improve and support the mold structure design. We bring you a combination of the best resources available; high technology equipment, quality workmanship, and program management and product development techniques that are flexible enough to meet the needs of your special requirements that can assist the molder or worker and save time and cost

Project Management:

Project management is the key to the success and quality of the products

A Project Engineer who has rich knowledge in tooling and injection molding is appointed for each project. All of them have a good command of English. The project engineers will be responsible to follow up tooling schedule and timely report to the customer on any issues and progress of the project he is handling. The project engineer also guarantees that customer’s technical requirement is followed.

Project Management Objectives

- On Time Delivery

- Assuring customer’s project is produced to customer’s standards and requests - Anything communicated in a timely and clear way

- Complete project management and support from concept to final part inspection and approval.


Our service include :

Industrial Design

Appearance Design

Structure Design

Mold Design (2D u0026amp; 3D)

DFM (Design for Manufacturability)

Mold Flow Analysis



CNC machines High speed CNC machines 5 sets

CMM1 CMM:  1 set

injection machines Injection machine: 18 sets

Mirror EDM machines :4 sets

Slow-wire-cut Slow Wire Cut :  2 sets

mold-qualityAt Sositar the quality process starts at the very beginning of each project. We are certified by and committed to the comprehensive ISO9001 quality standard. We demonstrate this commitment by providing high quality tooling, designed and manufactured so that our clients receive the greatest value. We define quality as total customer satisfaction. This drives us to settle for nothing less than excellence in all aspects of our business as we continuously improve our strong compliment of staff and processes.


  • Mould Design Control.
  • Mould Steel Hardness Inspection.
  • Mould Electrodes Inspection.
  • Mould Core and Cavity Steel Dimension Inspection.
  • Mould Pre-Assembly Inspection.
  • Mould Trial Report and Samples Inspection.
  • Mould Pre-Shipment Final Inspection.
  • Export Mould Package Inspection.

our office

Longxing Building,Songyu Road 144#,Songgang Town

Shenzhen, China - 518105

reach us on

+86 (0)755 3318 3226

Call for enquiries

email us at

Write for us to get quote

Scroll to Top