Originally founded by young graduates from Tsinghua University, CHN-TOP SCI&TECH CO., LTD. is a high-tech enterprise specialized in diamond tools(PCD, PCBN, MD, ND, CVD) industries.We produce high precision processing equipments( PCD/PCBN tools grinders, vacuum brazing machines, laser cutting and engraving machines); Offer pre-machining services ( PCD/PCBN laser cutting, tools brazing, chip breaker engraving, lapping and polishing, etc. ), and distribute world famous PCD and PCBN blanks; Also supply professional consultation and advanced technical services, we are your only one stop shop in the field of ultra-hard materials processing with good reputation in global market.