Tianjin Zhongyi Spring Shock Absorber Co., Ltd was founded in March 27, 2012, this is a newly-established old company. We specialize in middle and high-end of the spring market. We mainly manufacture auto shock absorber spring, mechanical spring and oil-quenching spring steel wire. Our company/product has passed the standard attestation of ISO9001 and ISO/TS16949 International Quality System, so the quality is assured. We mainly manufature auto shock absorber spring and oil-quenching spring steel wire, our spring can be used on Audi, VW, Toyota, Honda, Daewoo, HOWO, Mecedes Benz, BMW,etc. We also support OEM way. Three reasons for you to choose our company: long history, advanced technique, and abundant experience. Welcome your visiting to our company. We are expecting your cooperation with us!