1.SGS,ROHS,ISO9001:2000,ISO14001,UL 2.security labels 3.more than 15 yers OEM experience 4.no residue left ... , design; Time is colored or white layer TongBanZhi or easy Shredding, with security identity code; Mucous membrane layer for permanent marking glue ... prize, sales card, etc1.SGS,ROHS,ISO9001:2000,ISO14001,UL2.security labels3.more than 15 yers OEM experience4.no residue left ...