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Lida Steel Pipe Producing Co., Ltd.
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About Us
Our main products are hot rolled steel tube, high frequency and straight welded steel tube and hot enlarged steel tube. Hot rolled steel tube includes the normal structural using steel tube and the low to medium-pressure fluid using steel tube, which is made of high frequency and straight welded steel tube with removing burrs in it, chilling its diameter and annealing at the high temperature of 1000℃(1832℉) to eliminate the inner stress absolutely during the course of steel tube-making and make ...
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