... for tungsten carbide roll bits. Sales office : Company Brief as per following : Zhuzhou Jingcheng Cemented Carbide Sales Co., ... market. Main products: CNC inserts ,Drawing dies,Cemented carbide ,cutting inserts, cutting tools,turning tools,milling ... carbide saw tips ,ceramic tools ,etc.Big warehouse :High-tech machine : R & D center:Beatiful factory : Tungsten carbide roller bits, cemented carbide roll ...