Contract manufacturer in China

Sincere Tech, contract manufacturing China Company that offer OEM, ODM, mold, tooling, die, post manufacturing, manual assembly and delivery service.  We handle the tough assignments; in fact, we excel at them.   At Sincere Tech, we design and manufacture Mold, molding parts, die, tooling, custom products and precision machined parts for a host of industries from medical and aerospace to automotive and national defense. Our commitment to customer service and the efforts we put into creating good working partnerships means we go the extra distance to find innovative answers to new challenges. As a customer-oriented company, we have the ability and core technology to respond quickly as we serve numerous markets.

Sincere Tech as contract manufacturer in China, we use CNC production centers to custom manufacture precision metal & plastics parts, stainless steel or aluminum. We have in-depth experience with commercial grades of carbon steels and alloy steels, and we frequently produce parts from a range of stainless steels, tool steels, cast iron and exotic materials as well as many plastics and foams. Our engineering team considers all aspects of your project, including ease of manufacturing, metallurgy and functionality.

Sincere Tech serves a diverse range of industries including automotive, medical, aircraft, military, thermo-forming, printing and material handling equipment – each industry has its own set of stringent requirements. Our scope and experience will be an asset to your next project. 

contract manufacturer China

For your next precision product, select Sincere Tech as your complete source for quality production, timely delivery and fair prices. Through design modification we may be able to save you money. We offer a variety of services including:

  • Prototypes
  • Technical assistance
  • Selection of material
  • CAD design and testing
  • Applications engineering
  • Production runs of any size
  • Parts assembly
  • Cleaning and finishing
  • Special packaging

No matter how small, Sincere Tech does it all. From part design, prototype, testing tool building to manufacturing or the finished product assembly, Sincere Tech will meet, and exceed, your needs. Our scope and experience will be an asset to your next project.

Sincere Tech manufactures many types of contract manufacturing service including:

  • Plastic mold manufacturing
  • Die casting mold
  • Aluminum die casting, zinc die casting, magnesium die casting, etc
  • Silicone injection molding, rubber molding
  • Metal stamping products
  • Manual assembly
  • Electronical & PCB board management
  • Post manufacturing including, plating, painting, welding, chrome, powder coating, anodizing, etc
  • Packing and delivery


Sincere Tech can complement your Mold, molding parts, die, tooling or precision-machined part with important secondary operations and services that further enhance your product. From plasma and laser welding to assembly, packing and inventory management solutions, Sincere Tech can meet your needs.

  • Full Manufacturing Process Mangement 
  • Assembly
  • Plasma and laser welding
  • Ultrasonic cleaning
  • Wire straightening
  • Electro Chemical Grinding (ECG)
  • Heat treating and stress relieving
  • Passivation
  • Sound dampening
  • Shrink tube
  • Special packaging – returnable, disposable or custom
  • 100% inspection
  • Vision system sorting
  • Fixtures and tooling built in house
  • Assembly
  • Color coding
  • Bar Coding 

Sincere Tech contract manufacturer in China strives to provide our customers with products and services that meet and exceed their expectations. We understand that customers, employees and the environment we operate in are the vessels of our success.

We will remain successful by:

  • Using innovative methods and advanced technology
  • Providing our employees with a safe, stable and professionally stimulating environment.
  • Retaining and expanding our customer base.
  • Maintaining long-term relationships with our vendors.
  • Generating fair and equitable returns for the present and future owners.

Our commitment to customer service and the efforts we put into creating good working partnerships means we go the extra distance to find innovative answers to new challenges. As a customer-oriented company, we have the ability and core technology to move quickly and service numerous markets

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