As a professional manufacturer of steel flanges, forgings, buttweld fittings such as elbows, tees, reducers, ZIBO LONGXIN PETROCHEMICAL EQUIPMENT CO., LTD has been dedicated to the production & supply of these products with high quality and excellent after-sales service for decades. After generations' development, we have already established two factories up to now.

one is concentrating on the production of various flanges and various forgings and the other is focusing on the produciton of various steel buttweld fittings, such as elbows, tees, reducers, etc As an ISO 9001 certified manufacturer, our production scope is as follows: Steel flanges as per ASME/ASTM SA/A105, SA/A350, SA/A694, SA/A182; ASME B 16.5, B16.36, B16.47; MSS-SP-44; including all the available pressure classes, welding neck, slip-on, boss, lap joint, socket weld, threaded, blind, etc. sizes spanning from 1/2" through 60"; Steel forgings as per ASME SA 266, and your specific drawing; Steel buttweld fittings, elbows (LR, SR), tees, reducers, etc as per ASME/ASTM; SA/A 234, SA/A 420, SA403, A860; MSS-Sp-75; DIN 2605/2615/2616 in carbon steel, alloy steel, stainless steel. Seamless construction from 1/4" through 24"and welded construction above 24".