Street Address: Gaoxinqu
City: Zhengzhou
Province: Henan
Country/Region: China
Qirui
Piston: Aluminum alloy material (ZL109), increased Ni elements, stable expansion coefficient, resist high temperature and wear. Prolong the service life.The liquid metal filling and solidification under high pressure, eliminate casting defects. The same group sizetolerance of less than 0.01mm, the same group weight not greater than 2-3g.