Originally founded by graduates from Tshinghua university, and we was belong to Tshinghua universtity as a R&D . At 2003, CHN-TOP become a independent company which focus on diamond tools(PCD, PCBN,MD,ND,CVD) industries, produce high precision process equipments.(PCD PCBN tools grinders, vacuum brazing machines, laser cutting machines, chip breaker machines);We 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. Our business scope is : CNC and manual grinders for PCD/PCBN milling, reaming, turning and drilling tools ,etc. High precision laser cutting machine for PCD/PCBN/Ceramic and some other valuable materials Special laser engraving machines for chip breaker and positioned hole Automatic vacuum brazing machine and paste, widely used in PCD/PCBN/CVD/Cardbide, etc. Offer diamond cutting tools' pre-machining: laser cutting, carbide notching, brazing, chip breaker Ultra-hard material machinining: lampping, grinding and polishing, etc. Provide high quality PCD/PCBN blanks and distribute world famous brand materials.