タイトルまたは説明

~body：Surface Hardness  HRC  *0~*4Use MnB as material and fully heat-treated  technology to enhance wear-resistance. Axle:Surface heat-treated to ensure the strength and performance of  products/ using **0% Digital-control processing device to ensure the  dimensional accuracy and quality stability. Cover: Made by high-quality casting steel. Seal:Special casting steel ring with O-ring, apply to extremely working  environment. Sleeve:Surface-coated with Copper to enhance wear-resistance Supply ...