Established in 1988, Qianjiang Spring has the following subsidiaries: Hangzhou Qianjiang Spring Research Institute, Qianjiang Spring USA, LLC and Sino-US Joint Venture of Hangzhou Qianjiang Spring Co.,Ltd.  The company is a specialized manufacturer of all kinds of springs.  The main products are as follows: automotive spring parts, household appliance springs, series of die springs of JIS standard and ISO standard, electric tool springs, elevator springs  etc. The company has successfully supplied many  famous enterprises worldwide and exported to America, Europe and Southeast Asia  region. In the past years the company has won numerous awards at the state, provincial and municipal level.  It was acknowledged by the ISO 9001 Quality System in 1999, and  by the QS9000 Quality System in 2003, and it passed the ISO14000 environment management system in 2004,passed TS16949 Quality System in Mar. of 2006. Qianjiang possesses many national and international patents and has accumulated much precious manufacturing experience especially for engine valve spring.  Its engine valve spring products were examined by Zhejiang Technology Commission and were acknowledged to have all main features surpassing original imported engine valve springs.  Thus Qianjiang became the technology leader of engine valve spring manufacturers in the domestic market.  ?Qianjiang? and ?Hangya? brands have been awarded ?Famous Trade Mark? in Zhejiang province and Qianjiang?s product has been awarded ?Examine-free Product? by the Chinese Auto Industry.