Here are the product ranges for your reference. 1. C/S seamless/ERW/galvanized pipe according to ASTM A53, A106, API 5L,BS1387. BS1139 2. C/S seamless/butt weld fittings according to ANSI B16. 9, ASTM A234, and flanges according to ANSI B16. 5,EN1092. The formal quotation will send to you immediately upon receipt of your specified inquiry