... ,with two seals at both sides,with sliding surface of PTFE fabric; Inner ring of ... carbon chromium steel, hardened , sliding surface treated with hard chromium plating. Outer ring ... Co., Ltd., Fujian Sanming Gearbox Co., Ltd., Fujian Jinduo Auto Steering-Gear Co., Ltd., Fujian United Bearings Company, Zhangzhou Jinchi Automobile Parts Co., Ltd., Changsha Bode Metallurgic Material Co., Ltd ...