Changjin company foundation in 2003, own more than one hundred professional personnel togather the design, research and development, manufacturing for on rest. Changjin company is engaged in precise hardware molding tool manufacturing, the mold steel materical sale. Precise hardware molding tool with air-condition two machine, computer accessories, pull to stretch, engineering, consecution mold for lord. The sales of mold steel take importing the mold steel of all countries as the lord. Quality of changjin : The precise hardware molding tool is from the original material, the accessories, hot treatment, machine processes to turn for the integral whole, thus guaranteeing that the molding tool quality, period, price biggest special discount. Changjing provide the high-quality molding tool steel for the customers, provide the material+six-mill process+the heat treatment a full set of service, the integration guaranteed.