... G12, G14, G16, G18, G25, G40, G50, G80, G120 sand blasting, surface cleaning (1)Company Introduction TAA Metal is one of ... Copper shot, Zinc shot, Aluminum shot, etc. TAA metal abrasive products have been exported to over 30 countries and districts and ... . Shot peening: Shot peening of gear, heat treated parts. Sand blasting: Sand blasting of profile steel, ship board, steel board, steel material,steel ...