safety helmets 1.abs material,yellow,red,white,black,blue, 2.ISO 9000, 3.antiflaming,antistatic, 4.suitable for mining, ... certificate. ISO 9001:2000M.O.Q.500PCSLaberSticker &Silk PrintingColourRed,blue,black, white, yellow.Capacity30000pcs every month , Colorful] ABS Security hat for mining