we are manufacturer in producing high quality of a variety of forged flanges and exporting to overseas customers in the fields of oil and gas pipeline, boiler, heat exchanger, pressure vessel. We have been joining in many projects related to refinery, chemical plants, oil and gas offshore shipbuilding and handling not only standard products such as ANSI, JIS, MSS, DIN and AWWA, but also non-standard flanges including forged neck, nozzle type flanges and tube sheet. ( I am attaching reference list and several kinds of cert for your information ) In additon to the above flanges, we have been supplying pipes, tubes, fittings, plates to worldwide clients since 1992 . Our factory was certified by Quality Management System of ISO 9001 & ISO 14001 , PED and API 6A If you have any inquiry & question, Please, contact us ! For your understanding , Please visit our web-site at ***** or call us at +82-55-314-7970 . We hope to work together with you!