Originally founded by young graduates from Tsinghua University, BEIJING CHN-TOP SCI&TECH CO., LTD. Is a high tech enterprise specialized in diamond tools(PCD, PCBN, MD, ND, CVD) industries, produce high precision tools machines( PCD/PCBN grinder, vacuum brazing, laser cutting and engraving machines); offer pre-machining service( PCD/PCBN laser cutting, tools brazing, chip breaker, ultra hard material grinding and polish); Distribute world famous PCD,PCBN blanks; offering professional consultation and advanced technical service, we are your only one stop shop in the field of super hard material process with good reputation in global market.