We, at S.T.ENG.Co.,Ltd. in Korea, are one of the most well known pipe-line item manufacturer and trading company world-wide. We have provided high quality Flanges and Fittings in the important industrial field for the last 20 years. S.T.ENG.Co.,Ltd. is specialized in pipe-line products including Flanges and Fittings. All of our products are manufactured in modern facilities under strict quality control systems. With the great of export experience and good relationship with our client, we guarantee of the quality of our products. We are certified under ISO 9001:2008, ISO/TS 29001:2010. We also obtained OHSAS 18001:2007, ISO 14001:2004 certificate of approval from Lloyd, and recently we got certified API 6A from American Petroleum Institute. We got a vendor approval from NIOC, NIGC, KOC, GASCO, TAKREER, PERTAMINA. We are aiming to have more approvals from Oil & Gas field in the near future. Also, all of our products are compliance with the requirements of ANSI/ASME, API, API 6A, JIS AWWA, DIN, BS and special requests. We offer a complete scope of services taking responsibility for all aspects export process.We are always doing our best to improve products quality and expanding production range through continuous development. Our business philosophy is to always exceed expectations in quality of products and customer services.