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...

JINAN INSTITUTE OF METALLURGICAL SCIENCE prides itself for bringing the most innovative, versatile and low cost button bits,inserts and tips for mining,geological drilling inserts,cemented carbide anv...