HIGH QUALITY

Trust Seal, Credit Check, RoHS and Supplier Capability Assessment.

company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop.

We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system.

We can manufacture all the Electrical terminals beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP.

Let us help you find the best solution for all your concerns.

WHO WE ARE & WHY CHOOSE US

China high quality Industrial Bolt & Screw Fasteners suppliers

Jiangsu Ying Yan Fastening System Technology Co.Ltd

Jiangsu Ying Yan Fastening System Technology Co. Ltd was founded in 2002. It is located in Wujiang Fenhu High-tech Industrial Development Zone, Suzhou City. It has a superior geographical location and convenient transportation. It is a professional fastener manufacturer integrating R&D, production and sales manufacturer. The company has established a complete quality management system, invested ...

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Introduction

creating excellent quality with the heart of a craftsman

Service

The pursuit of quality - excellence; Customer-oriented - Service first

History

The company was founded in 2002 and has experienced 22 years of development.Our company has passed the ISO9001-2015.

Our Team

Our team is vibrant, innovative, and collaborative. With diverse backgrounds, we bring fresh ideas and passion to every project.

What inspections need to be carried out on fastener screws?

I. Inspection of Adhesion Strength of Coating on Fastener Screws There are various methods to evaluate the adhesion strength between the coating and the base metal, including: 1) Friction polishing test; 2) File test; 3) Scratch test; 4) Bend test; 5) Thermal shock test; 6) Compression test. II. ...

Flat Head Square Neck Bolt

Flat Head Square Neck Bolt" is a type of bolt that has a specific head shape and neck design. Here's a breakdown of the features: Flat Head: The head of the bolt is flat, meaning it has a broad, flattened top. This design can be useful in applications where a low-profile bolt head is desired or ...

The hex flange cut-point self-tapping anchor bolt

The hex flange cut-point self-tapping anchor bolt is a special type of fastener commonly used for anchoring and connecting in concrete, brick, or other hard materials. Its design combines the features of a hex flange face and a cut-point self-tapping mechanism, making installation more convenient ...

Product Advantages

COMPLETE CERTIFICATION

We have obtained some certificates in various aspects, which also provides a guarantee for our products to be sold to the world. You can rest assured about the whole process of our products.