... LD Diamond Products CO.,Ltd.2. Application of PDC cutter: Used for oil/gas drill bit, ... ,1608,1613,1908,1913,1916,1919 etc standards PDC cutter insert, Non-standard as customer's request ... as your request. Advantage of polycrystalline diamond compact PDC cutterA. Selected higher quality diamond powder, improved the ... strengthD.Optimized the designation of joint face, which reduced the residual stress