... Machine High-class Construction Aluminium Casting Pump Body Feature1. Aluminum die casting part, sand casting, die casting, gravity, ... all types of lathe. 4. Surface finish process: polishing, sand blasting, heat treatment. 5. Quality Inspection: Spectrum analysis, ... compressor and so on. 7.Surface finish process polishing, sand blasting, heat treatment, painting, shot blasting, electroplating, mirror ...