A Su Wei North, Xiao Tang Shan Township, Chang Ping District

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 equipme...

We understand the worth of Valve Seat Grinding Machine that only look great but also feature a comfort that is a major requirement of almost every costumer. To serve them all and meet their diverse ne...