... / tungsten carbide insert/ CBN inserts in China for many years. With ISO certificate & quality control. We are experienced in producing ... of tungsten carbide inserts for mining and contruction tools. Many ... 160405 R11, TPKN 1603 PDTR, TPKN 2204 PDTR, SPKN 1203, SNMG 120408, TPMR 220408, CNMA 120404, 120408, DCMW 11T304, VCMW ...