... MOULD Mould Steel: S45C, P20, 718, 718H, Product Name:Car water tankZHEJIANG ZHONGYA INDUSTRIAL CO.,LTD(Zhejiang Huangyan Zhongya Mould Co ... , NAK80,SKD61,E420,etc.(For Reference)Mould Base: LKM or Self-made.Hot Runner: YUDO, HASCO,M-H-R, etc.(For ...