... We offer raw materials and service for the fields of diamond tools. Advanced testing equipments and strict quality control system ... including saw grit diamonds(MSD series), wheel grit diamonds(MGD,GRD and YRD series), grinding diamonds, CBN, diamond micron powder, coated diamonds(Ti coated, ... Our MGD90 is similar to PDA999 or MBG660. Our GRD diamonds is similar to PDA311 or RVG/SPR, etc. Stable ...