Hunan Perfect Circle Piston Ring Company Limited

As the first manufacturer of pistons and piston rings in China, our history can date back to more than 60 years ago.

With 10 workshops, 2 divisions and a laboratory, our factory covers an area of 300, 000 sq. Meters and has more than 3000 staff, of these over 300 are technical personnel. There are 1421 sets of equipment, among them 586 sets are metal-cutting machines, 32 sets imported equipment, 109 sets measuring instruments.

Besides, we are a part supplier of more than 100 OEMs and over 1100 after-sale service fittings companies. The three kinds of piston rings for Santana, CA488, and Cummins engines have received part production licences granted by ShangHai Volkswagen AG, the First Motor Plan of China, and Chongqing Automobile Eingine Plant after strict test and appraisal at home and abroad.

So wonderful quality, competitive price and secure service, do they interest you? If do, pls don't be hesitate to contact with us and welcome to visit our website. We believe that our prosperous business will be from here.