Changsha Zhengsheng Special Piston Ring Professional Association started off as a leading Manufacturer and Retailer of Piston Rings. Since inception, our production facility has marked perfection in terms of quality and reliability of Piston ring, delivered worldwide. Changsha Zhengsheng Special Piston Ring was inaugurated back in 2014 with Below US$1 Million initial business capital, holding export history over 6 Years .Construction equipment and material demands finest quality in terms of make and aesthetic appeal and by successfully complying with industrial demand we have reached Approx More Than 1 Billion US Dollar annual revenue and Australia,Canada,Spain,Malaysia,United Kingdom export market share. We take pride in our credibility, operating with a Own Lisence in Shanghai, Shanghai, China.Our corporate venture follows strict quality control procedures, thanks to state of the art equipment and skilled professionals. With years of experience we have mastered the art of developing finest quality products with sourcing raw material that guarantees reliability and years of service. For product queries and pricing details contact Ying Chen.