Cangzhou GUYUAN STEEL PIPE CO.,LTD is a leading manufacturer of Carbon Steel ,Alloy Steel Butt Welded Pipe Fittings and flange according to ASME ,DIN and JIS standard.also deal with all kinds of pipes. As a supplier of high quality Pipe Fittings and flange , the company not only concentrates on production and quality ,but also focuses on sales and service. So we build good reputations among our clients.
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