We manufacture drill pipes 1.Size:2 3/8-6 5/8" 2. ... -75,X-95,G-105,S135 4.From CN,Tianjin drill pipes standard:API 5D size: 2 3/8-6 5 ... /8'' grade:E-75,X-95,G-105,S135 drill pipesstandard:API 5Dsize: 2 3/8-6 5/8''grade ... as per clients requirementsPacking: Bundles, seaworthy wooden casesWith or without end caps, varnish or as per clients requirements