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Hangzhou Zhedong Steel Tube Products Co.,ltd. is a modern industry and trading combined enterprise specialized in producing and trading high-precision thick-walled seamless steel pipes. with the first restriction mandrel rolling mill for ASSEL high -precision бщ80 enhanced tube in domestic, it can produce structural tube, automobile axle casing, hydraulic prop tube, oil tube and tubing casing, etc, with advanced technology, equipment and management as well as good reputation, it can provide high quality prod...
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