As a professional manufacturer of steel forged 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". Raw materials are only sourced from China's top mills or renowned overseas mills such as JFE, V&M, etc. with the most stringent quality control system, we have been engaged in the production of flanges, forgings and fittings with the highest quality level equalling or even surpassing that of the EU mills. Equipped with a team of inspectors with NDE Level two, we have kept excellent record of routine lab inspection and such NDE as UT, PT, ET, MPI, etc and this is the foundation for us to guarantee good quality.