Henan Yalong Diamond Tools Co.,Ltd
In early 1990's, R&D diamond micro-powder products; From 2001-Production of PDC (polycrystalline diamond compact) and PCBN (polycrstalline cubic nitride boron); By now--covering an area over 100,000 sq meters and a monthly capacity output over 650,000 pieces of various PDC cutters and PCD/cBN tool blanks etc; Serving industries of oil/gas drilling, mining, exploring, precision (metal)working etc.