The company is established in April 2017 with a registered capital of RMB 36.9 million, covering an area of more than 24,000 square meters. It is a MODERN, AUTOMATIC & INTELLECTUALIZED manufacture, specializing in the design, R&D, testing, manufacturing and application of composite leaf springs and Z-spring. We own more than 20 independent invention and design patents. The composite leaf spring that QINGGONG produce is with high performance of more economical, much lighter, more durable, more comfortable, less noise etc. Jiangsu QINGGONG, not only subverts the traditional steel leaf spring, but also set a milestone in vehicle lightweighting. We are leading the new trend of composite leaf spring in the world!