We, Sejin Tube Tech Co., Ltd. were found in 2005 and we are located in Gim-hae city which is close to Busan.We are a manufacturer of Stainless Steel Tube and Pipe for Boiler, Heat Exchanger, Ordinary piping, Machinery, Structure, Sanitary tubing, Food Processing Equipment etc. We produce both Welded & Seamless tube and pipe.We mainly make the products with the materials of 304(L), 316(L), 321, 310S, 317(L), 347, Duplex(S31803, S32750), etc.We have 5 lines for welded tube/pipe and 1x3 line for seamless tube and the annual capacity is total 4,600tons.We have a hydraulic test machine and our own laboratory, so we perform the hydraulic test, the chemical and mechanical tests as per the customer's requirements.We have certificates of ISO9001, CE PED, Japanese & Korean Standards.Also, we obtained the patent of "On-Line Non-Oxidation Atmosphere Heat Treatment Method for Arc Welded Stainless steel pipe" through the endless technical development.Our main customers are Doosan Heavy Industries(Korea), Seongjin GEO Tech(Korea), TSM Tech Co., Ltd.(Korea), Mitsubishi Heavy Industries Ltd.(Japan), Jord International Pte Ltd.(Australia), Aero Freeze System/GEA(Canada), etc.For the more information, please visit our website(www.sejintube.co.kr) or feel free to contact us. Thank you.