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Yanshan Zhengda Pipe Fitting Manufacture Co,.Ltd is one of the specialized in the production and sales of large domestic manufacturers of pipe fittings, Located at the town of pipe fittings yanshan township,hebei province,china. With bend pipe fitting, flange pipe fitting, tee fittings production line several;Customers can request to produce ISO, ANSI, DIN, JIS, GB etc standard of carbon steel, alloy steel, stainless steel various specifications of the bend pipe fitting, flange pipe fitting, different-diam...
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