Originally founed by some engineers graduated from Tsinghua University ,CHN-TOP SCI&TECH CO;LTD is specializing in ultra hard cutting tools(PCD,PCBN,MD,ND,CVD diamonds) ;high precision equipments(ultra tools grinders,vacuum brazing machines,laser machines,polish machines ; CNC ...
Telephone: 86-10-80725202
Address:A Su Wei North, Xiao Tang Shan Township, Chang Ping District