
Zhejiang Senyi Fasteners Co., Ltd.
ABOUT US
Founded in 2019 and located in Wenzhou, Zhejiang Province, Zhejiang Senyi Fastener Co., Ltd. is an enterprise specializing in the R&D and manufacturing of high-strength automotive fasteners. Covering a plant area of 5,500 square meters with 121 employees, the company has a designed annual production capacity of 8,000 tons.
We mainly produce custom high-strength automotive fasteners including bolts, nuts and pin shafts. We possess full-process manufacturing capabilities covering cold heading, thread processing, CNC machining, heat treatment, electroplating and sorting. The company has obtained IATF16949:2016 International Quality Management System Certification.
With solid manufacturing capacity and rigorous quality control, Senyi Fasteners is committed to supplying automotive customers with reliable and consistent fastener products and professional services.

5,500 m²
Plant Area

8,000 Tons
Designed Annual Capacity

IATF16949:2016
International Quality System Certification

Production Capacity

Testing Capability

R&D Capability
Our Certificate
The company has been granted nearly 20 patents for product R&D.

We have a professional team consisting of 9 engineering and technical personnel, who have long been dedicated to the technical development of auto parts. The R&D center is capable of independent design, collaborative development and simultaneous engineering. It is also equipped with high-end equipment for process verification and failure analysis. For technical design, we mainly rely on two mainstream industrial software: CATIA and AutoCAD.
Equipment introduction
R&D Capability












Inventory control management
R&D Capability

Visual Calling System

Anti-Counterfeiting Serial Traceability System

Mobile Instant Office

SPA Intelligent Material Control System

“Smart Era” Material Control

Visualized Management for Manufacturing Execution
Senyi Fasteners
Zhejiang Senyi Fasteners Co., Ltd.
