... instruments,chemical industry,plastic hard ware,scent bottle sprayer,valve,nail polish,air condition,medical material,automotive fittings.Material Composition % ... textile industries (valves, pumps and bearings).OUR MAIN PRODUCTS:Stainless steel ball:AISI302,304,316,420,4440CBearing steel balls:AISIE52100Carbon ... ,G14,G12,G10Any further Information,Plz contact us! 8mm High Quality Stainless steel ball