About Sejin Tube Tech Co., Ltd.
SEJIN TUBE TECH Co. , Ltd. was established in the endless research and development as a front runner to manufacture and supply the stainless tube for Boiler-Heat ExchangerWe, Sejin Tube Tech Co. , Ltd. supply Stainless Steel Tube for Boiler, Heat Exchanger, Ordinary piping, Machinery, Structure, Sanitary tubing, etc. We manufacture both Welded pipe & Seamless pipe. We have certificates of ISO9001, CE PED & Korean Standards & Japanese Standards (JIS G3448). 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.
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