We also have our own injection machines to produce plastic products. 

WELCOME TO GYJ

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Huzhou GaoYuanjin Science & Technology Co.,Ltd.(GYJ for short) Established in 2013 and located in the southern Yangtze River city—Huzhou, Zhejiang, China. GYJ is a modern private enterprise with a registered capital of 12.5 million RMB and a 1,800㎡ self-owned factory.

We integrate independent design, machining, manufacturing, and sales, specializing in precision molds and plastic parts for industries such as cosmetic packaging, medical devices and automotive components.

Our team consists of 25+ employees, including:

5 with bachelor's degrees or higher

10 with college diplomas

1 senior technician & 5 certified technicians

We bring together experienced professionals:

✔ Senior Mold Design Engineers

✔ Moldflow Analysis Engineers

✔ Automation Design Engineers

✔ Machining Process Specialists

✔ CMM (Coordinate Measuring Machine)  Technicians

✔ Senior Tooling Engineers

✔ After-Sales Service Engineers

Quality & Speed Guaranteed!

Help You Seize Market Opportunities First!

Cost-Optimized & On-Time Delivery! 
From Design to Mass Production.

Specialized in Cosmetic Packaging Molds
Medical-Grade Molds
Auto Parts Molding Specialist

Full-process Precision Inspection – 100% Qualified Molds Guaranteed!

CMM + Industrial CT Dual Testing for Zero-Defect Mold Delivery!

0.002mm Ultra-Precision Testing – 50% Tighter Tolerance Than Industry Standards!

20+ Inspection Machines with Full Traceability Reports!

Material Strength & Durability Testing – TS16949 Certified!