Our products mainly cover gas-spring-use and shock-absorber-use piston rod. At present, our major products include various ascending gas springs, compressed gas spring-use piston rod, bumper-use piston rod for automobile, motorcycle, and electric bicycle, micro-electromotors and other shaft series products. The convention specifications of our piston rods include dia. 6(98mm---318mm); Dia. 8(312mm---389.5mm); Dia. 10(97mm---362mm); Dia. 12(70mm---460mm); Dia. 14(259.5mm---313mm)We also provide in/pipe and out/pipe as a supplement such as dia. 22 inner pipe and dia. 28 outer pipe. We can produce according to our customers' technical drawings. Moreover, we offer a package service including processing, grinding, surface hot treatment and fine polishing.