Silica Sol Casting CNC Machining, Machinery Part, Precision Casting manufacturer / supplier in China, offering Precision SUS304stainless Silica Sol /Lost Wax Casting for Slush Pump Body, CNC Machining, Casting, Forging Part for Oil Equipment/Petroleum Equipment with Carbon Steel, CNC Machining, Casting, Forging Part for High Speed Rail Connector with Aluminum Alloy and so on.