tcbearings_天津市润博凯特石油机械制造有限公司 Professional tcbearings-Rotate TC Bearing Co., LTD is the only manufacturer specialized in designing & producing TC bearings in China.The main type of Rotate TC bearing are divided into three types Tungsten Carbide Tile inserts Bearing,Tungsten Carbide Grain inserts Bearing & Tungsten Carbide Disc inserts Bearing.