... Steel industry, oil industry,cement industry,mining&construction, papermaking machinery,rolling mill, sugar mill, vibrating screens, conveyors, air blower, transmissions, and other heavy ... bearing Who we are?We are Zhe Jiang Sinier Guide Co., Ltd, we produce cold rolled ball screw, linear ... tudou.com/programs/view/mTEk3_gh-kw/2. ZHE JIANG SENIOR GUIDE CO., LTD is the SOLE TBI brand certificate holder & ...