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  The QSWRCH12A-Bproduced by XINGTAI STEEL has the advantages of stable composition, high purity of steel, high surface quality, high precision of geometric dimensions, low cracking rate when cold forming, etc., The product is mainly used to produce auto parts. A customer of XINGTAI STEEL uses this product to produce auto fasteners, which reflected that the product was stable in quality and meet the use requirements of the product.