1, mold manufacturing: all kinds of injection molding, plastic molds, stamping mold, rubber mold and other large, medium and small mold design and manufacturing; 2, plastic products: automobile, motorcycle parts Yongping County injection molds, electrical accessories, electronic accessories, children's toys, household plastic products, plastic barrels, pipe fittings; 3, hardware: production and processing hardware, stamping parts, machinery parts and components; mold cooling system: cooling injection mold segments uniform technical reference, effectively improve product quality and efficiency of the mold. 2. Post-processing: nitrogen [nitriding temperature is low, the deformation is small, no longer the need for quenching high surface hardness (greater than HV850) and wear] 3 die life: in normal use of the mold 150 million times more than the injection mold Troubleshooting | Chang Technology (online consultation) | Yongping County injection molds provided by Chang Technologies. Chang Tong Technology Co., Ltd. (www.ctmould.cn/) is Zhengzhou, plastic leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Chang Technology leadership with the staff warmly welcome all inquiries negotiations to create Chang Technologies better future.