... , Investment Casting, Sand Casting, Machining Part, CNC Machining Parts etc.Sand casting part with machining:1. Process: Resin sand or ... from 100mm to 2000mmInvestment Casting (precision casting) part with Machining :1.Process: silica sol and water glass ... , Zinc alloy, copper/bronze/iron/etc.Process TechnologyCasting, Machining, Metalworking, Sheet Metal Bending, Surface Treatment, Heat Treatment ...