... precision casting spare parts. Main Products: stainless Steel casting, Lost Wax Casting, Investment Casting, Sand Casting, Machining Part, CNC Machining ... from 100mm to 2000mmInvestment Casting (precision casting) part with Machining :1.Process: silica sol and ... DIN, JIS, NFQuality TesterTensile Test, Hardness test, Metal Micro-structure, Coordinate Measure, Optical Specrometer, Impact Test, ...