Company profile

Huadong Piston Ring was founded in 1993 and officially changed to Zhejiang Huadong Piston Ring Co., Ltd. in 1997, located in Ruian City which is the centre of auto spare parts and motorcycle parts in China.
　Our company is a private factory with advanced technology and have its own exporcycle license. Our factory is specialized in producing piston ring used in car/business perpost vehicle/ orv/motorcycle/minicar/gasoline engine, all types of truck/passenger car/agricultural vehicle/construction machinery/gas engine and air compressor.
　Our factory passed ISO9001 international quality system in 1999 ,passed ISO/TS16949 quality system in 2011, improving our international leading quality management level .
　"Reputation First, Customers Foremost is our business concepts. Seeking the best, striving for perfection is the aim of ours .Honest Cooperation, Endless Striving for Excellence, Mutual Benefiting and Win-win is our rules. We try our best to give the best service and the economic price to our clients.
　Our company takes science and technology ad guide, introduced into our domestic and international advanced production equipments . Our technology and test products by first classtesting instruments. It is strictly according to the ISO/TS16949 quality system ,uses computer management and 6S live management, Huadong is one of leading factory in piston ring industry in china.