We have been abiding by the business philosophy of 'integrity, pragmatism, stability, and efficiency', constantly forging ahead, and contributing to the development of the DIN Flange Nut, lock nut, mild steel CE industry. In order to realize the harmonious coexistence of society, environment and stakeholders, we will abide by the concept of being responsible for our customers and practice sustainable development. We adhere to the consistent professional spirit, and abide by the corporate philosophy of 'integrity, professionalism, innovation, and efficiency', continuing to provide high-quality products and services to new and old customers. We will try to transform new technologies into products and services with international influence, and write a new chapter with the pioneering spirit of daring to be the first in the world.
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.
yellow zinc black oxide
Our company adheres to the business strategy of 'scientific development, independent innovation, and enhancement of core competitiveness', and strives to make our product quality reach the leading level in the DIN Standard Spring Washer/Flat Washer/Square Washer with High Quality industry. Our company introduces innovative technology, able to meet the needs of customers around the world with refined, stable and reliable quality. Good quality is factory' existence, Focus on customer' demand is the source of company survival and advancement.