... industry, oil industry,cement industry,mining&construction, papermaking machinery,rolling mill, sugar mill, vibrating screens, conveyors, air blower, transmissions, and other ... /mTEk3_gh-kw/ 2. ZHE JIANG SENIOR GUIDE CO., LTD is the SOLE TBI brand certificate holder & manufacturer approved ... material GCr15 supply by Shanghai Bao steel Co., ltd The World Top Steel Enterprises.Big factory and workshop ...