... . Material CD4MCU,316S.S.,304S.S.,A20 3. Investment Casting 4. OEM service 5. ANSI standard Our product ... alloy, and other alloy castings.2.Manufacturing Processes: sand casting, investment casting, centrifugal casting etc.3.Technology: surface treatment, polishing, machining, ... engineering machinery, water treatment etc.6.Weight Range: Precision casting one-piece weight is from 0.2 kilograms to ...