... and developing of nonferrous metal material such as cemented carbide and tungsten and molybdenum products, containing special inserts ... milling insert, threading insert, grooving insert, aluminum insert, carbide endmill,etc. Such as:CNMM,CNMG,CCMW,CCMT,DNMA,DNMG, ... license:Certificate:Packaging:TNMG turning insert:Endmill insertMilling insert Welding insert: stable quality tungsten carbide roof bits