... Socket 1)Pure Copper&PC case 2)Lifetime Product Warranty 3)Certification: UL ROHS The Unique Design Rotary Extended Socket Main ... structure and work principle: High current capacity, low residual voltage.Modularized design, standard socket design,convenient for ... 4.Our old brand:MAIXING,JIYA ,New brand:COLOFO 5. SASO 2203, UL, BS,ASTA,IEC60884 ,CCC and ...