Established in 1992, Qinhan Cold Forging Co., Ltd is a high-tech enterprise specialized in precision forging, cold and warm extrusion and supplementary machining. With Over 20 years of experience in extrusion and forging, we have developed 1000+ die sets, forming a series of expertise on cold precision forging, forge welding, long pole parts, deep hole parts, special-shaped parts, etc.. For over 20 years of unremitting efforts, we have developed over 400 kinds of precision forging products ...