Through ISO9001 quality management system certification. Straightening rannge, 3-12. Widely used in all kinds of steel bar.
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BEIJING ZHONGCAI JIANKE INSTITUTE OF SCIENCE AND TECHNOLOGY FOR BUILDING MATERIALSVIP会员第13年
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Through ISO9001 quality management system certification. Straightening rannge, 3-12. Widely used in all kinds of steel bar.