Zhejiang Shangzhong Piston Ring Co.. Ltd.

Zhejiang Shangzhong Piston Ring Co.. Ltd. .The former Pingyang Automotive Parts Factory. was founded in 1994. located in Pingyang Industrial Zone of Auto and Motorcycle Parts. the key industry town of South Zhejiang. Our company covers an area of 40.000 square meters with employees of more than 500 and technicians of more than 50. We are specialized in producing "Shangzhong" brand piston rings applied in various foreign or domestic gas .diesel. cars. trucks. compressors. marine and engineering machinery. In recent years. we have introduced inside . outside profile modeling lathe. double-side grinder. automatic beveling machine. digital control lathe. trapezoid grinder. oil ring automatic stamping machine and production line for steel ring. We also possess the productivity of nitrided. phosphated. molybdenum coated and chrome plated. We own special chemical lab and test and measure machine. Our products are processed precisely from raw material casting to finished products. Whatever rings you need. we can supply. The quality of our rings is guaranteed by ISO9001 quality system certification. We have developed more than 2000 specifications for over 500 kinds of vehicle. Our annual output reaches 30 million pieces of rings which are most fit for the demands of customers at home or abroad. Our products have been exported to all over the world and been very popular with customers.

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