... : WCC,WCB, 8620 2. Processes: Sand casting 3. Testing pressure of products: 16 bars 4. Surface finish: Polishing, oiled ... molding machine, and hanging shot blast cabinet 6. Testing equipment: Direct-reading spectrometer hi-temperature metallographic microscope ... chemical analysis equipment, Supersonic inspection machine, impact testing machine, 3-D measuring machine inspection 7. This ...