... strong technology. The casting engineer, Mr Wang Zhicai has worked in casting industry for over 40 years.The general manager, Mr ... :MaterialDuctile Cast Iron, Grey Cast IronProcessSand CastingSandGreen Sand, Sodium Silicate SandMachineLathe,, Drilling Machine, Milling Machine, Boring Machine, Planing MachineSurface atmentPainting, Spraying, Galvanization If you ...