Garnet Sand, Steel Shot, Steel Grit manufacturer / supplier in China, offering Long Venturi Boron Carbide Nozzle Spray Sandblasting Nozzle, Double Venturi Boron Carbide Nozzle Spray Sandblasting Nozzle, Customization 3mm 12mm Boron Carbide Sandblasting Gun Nozzle/Sandblasting Nozzle and so on.