The deformation and prevention knowledge of heat treatment of precision die is mentioned. Heat treatment deformation is the main defect of die treatment process. The precision complex mold is often discarded because of heat treatment deformation. It has been the key problem in the heat treatment ...
Qingdao YDL mould co., ltd. is one of China's leading tyre mould manufacturers. close to Liuting International Airport. This is a good place that have concentrated industries, convenient transportation and advanced communication. The company occupies 10,000 square meters, with total assets of...