High Chrome Hammer Head for Hammer Crusher Jiangxi Duma Machinery Manufacturing Co., Ltd. Base Info Certification:ISO 9001:2008Standard:GB, ASTMSurface Treatment:PolishingManufacturing Process:CastingMaterial:High ChromeTrademark:DuMaTransport Package:Steel PalletOrigin:ChinaHS Code:84749000 Description Pre:High Standard Tensioned Polyurethane Screen for Mining and Coal Stone Crush Next:Best Quality Spare Parts Cone Crusher Mantle and Bowl Liner