Professional Manufacturer OEM Rubber Flat Gasket / Round Sealing Spacer / Back up Washer

Our company sticks to the principle of 'Quality is the life of the company, and reputation is the soul of it' for Machine Screw, cap screw ISO9001:2008, nuts ISO9001:2008. Our people-oriented and technology-oriented business philosophy has won us a certain scale and reputation in the industry. Through our professional service, we can provide customers with complete solutions, give customers and end users strong application support, and are committed to improving product market competitiveness. Our company adheres to the quality policy of survival by quality, development by reputation and brand creation and has achieved good social reputation and economic benefits. We firmly believe that extremely high product cost performance is the foundation of the company's sustainable development.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading square washer manufacturers and suppliers in China, welcome to buy square washers, square lock washer, square plain washer, asme f436 square washer from our factory and company.

ASTM F436 standard Spring washer  covers the dimensional requirments of inch series Spring WASHER.The standard of ASTM F436 standard Spring washer  is ASTM F436   ,  

the Spring washer is widely used, mainly goes with bolt and screw.ASTM F436 is with high hardness mostly made from #45 steel and other alloy steel.   

Due to the wide application of our products and our favorable market position, we strive to sell our Professional Manufacturer OEM Rubber Flat Gasket / Round Sealing Spacer / Back up Washer to more countries and bring our high-quality products and services to every corner of the world. In the future, we will adhere to the spirit of perseverance to face various challenges in the industry and to improve ourselves with a conscientious entrepreneurial attitude. We constantly improve and standardize the management system. Now, our company has become a well-known brand in the same industry at home and abroad, and has been recognized by new and old customers at home and abroad.