The mould made of our company adopts the domestic high-quality stainless steel, which have good performance in hardness, wear-resisting and corrosion-resistant under high temperature and high-pressure working environment after special craft of heat treatment, what the traditional heat treatment craft can not do. Therefore we lengthen the service life of the mould.If you are in the need of our help , pls do not hesitate to contact with me at any time !