Production
25years of professional production experience.
Strictly according to TS 16949 international quality system to carry out quality control, strict operation staff self-inspection, process inspection, complete inspection, shipment sampling inspection and other links,At the same time, the special characteristics of piston ring (such as nitriding layer, chromium-plated layer thickness, hardness, crystalline phase, elasticity, thermal stability, etc.) are strictly examined to ensure the long service life of piston ring