standing grinding machine - spirosurvey.co.za
Homray Material Technology was established in 2009, is a high technology company which is specialized in providing silicon wafer/Epi wafer, silicon carbide wafer/Epi wafer, sapphire wafer,GaN wafer（ gallium Nitride wafer ） and various consumables for silicon wafer, silicon carbide wafer, sapphire wafer slicing, polishing and lapping machine. Our dummy grade wafers are mainly used for ...