Henan Yalong Diamond Tools Co.,Ltd
In early 1990's, R&D diamond micro-powder products; From 2001-Production of PDC (polycrystalline diamond compact) for oil/gas drilling[Our PDC cutters cover from economic, performance to premium grades], and PCBN (polycrstalline cubic boron nitride) for CNC machining etc. One of key suppliers for the mainstream OFS companies.