Nanjing Manganese Manufacturing Co.;Ltd, which had specialized in casting crusher wear parts,jaw crusher parts, cone crusher parts,impact crusher parts, vsi crusher parts,roll mill parts and other manganese,chrome casting parts over 20 years. Our foundry locates in Gangtang town,Shuangfeng city,Hunan province. Our foundry manufactures more than 150,000 tons manganese and chrome casting parts.Our production process: Water Glass Sand Casting, Lost Form Casting and V Method Casting.Products are widely used in construction, mining, metallurgy, chemicals, cement, petroleum and other industries crushing machinery and equipment. The company fully equipped: There are three sets of one-ton induction furnace, Lost Foam Casting, water glass casting and precision casting production line each one, three sets of environmental heat treatment furnace, lifting equipment, hydraulic machine plastic equipment, optical spectrum analyzer, physical and chemical testing and hardness testing Equipment and so