we offer chromed bar and tubes for hydualic and pheumatic cylinders. The new goods contain a collection of high-tech and substantial top quality chains and sprockets and gears, this sort of as chains and gearboxes for agricultural machineries, metallurgical chains, escalator phase-chains, high-speed tooth chains, timing chains, self-lubrication chains, among which have kind large pace tooth chain for auto department dynamic box and aerial chains fill in the blanks of chain in China. In this way, our merchandise have continued to obtain industry acceptance and buyers pleasure more than the past few years.