The piston ring is a metal elastic ring with a large outward expansion, which is fitted to the profile and its corresponding ring groove. A piston ring, which depends on gas or liquid, to form a seal between the outer circle and the cylinder and one side of the ring groove.

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Company introduction:

Yiwu Risheng English Yiwu WEIWEI auto parts firm, the main Japanese and Korean car accessories, mainly exported to South Asia, Africa, South America and Russia. All parts in order to cheap for automotive use of filter, we have our own factory, the company covers an area of 15 mu, building area of 2500 square meters, high technology content of products, manufacturing process unique, stable and reliable quality. The company has a group of experienced, energetic, has the first-class level of independent development of professional technical team, now the size of 150 people or so, 10 technical staff, 10 management personnel. Most of the company's products have obtained patents. The strong technical strength has been favored by many foreign famous automobile parts enterprises.