M4 M6 A2 Stainless Steel SS304 Spring Lock Washer DIN137

We are committed to the concept of 'continuous improvement' and constantly seek new technologies, strategies and methods. We continue to be recognized by international corporations as trustworthy and innovative partner, and aiming to be one of the top steel bars ISO9001:2008, drop-in anchor bolts, GB standard hex bolt manufacturer in the near future. All the imported machines effectively control and guarantee the machining precision for the products. We sincerely welcome you appear to go to us. Our company has a domestic first-class management and technical team, occupying the market with leading technology advantages. We have always maintained a passion for excellence, adhering to the work philosophy of 'technological innovation, integrity and lasting', to provide customers with worry-free, labor-saving, efficient and easy-to-use products.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading gb flat washer manufacturers and suppliers in China, welcome to buy gb flat washers, gb standard flat washer from our factory and company.

Shanghai Jinrui Norm Parts Supplies Co., Ltd. was built in 2001 which located in Baoshan District adjacent to the Bao Steel Group.Shanghai Jinrui is a fastener enterprise who owes a set of R & D, design, production and sales of high quality.

GB Standard flat washer covers the dimensional requirments of metric series FLAT WASHER.The standard of GB Standard flat washer GB97 and GB96,the former is nomal flat washer and the second is large washer.

The flat washer is widely used, mainly goes with bolt and screw. The mechanical property has 100HV, 140HV, 200HV and 300HV.  

We will continue to surpass ourselves, create value for customers as always, and provide better M4 M6 A2 Stainless Steel SS304 Spring Lock Washer DIN137 with excellent technology and services. Following the marketing guidance and the objective of being a first-class enterprise, we have always trying to improve ourselves. With the high quality of products and excellent reputation, our company has obtained many achievements. "Let the user spend every penny is reflected in the details of the product" is our purpose of continuous research and development.