forged aluminum new design marble effect coating wok with glass lid --marble coated wok with lid Specifications: (1)Material:Aluminium alloy-3003 (2)Size:28cm wok with glass lid (3)Thickness:4.0mm (4)Inner coating:3 layers grey marble coating with black and white dot; (5)Outer painting:high temperature grey color painting; (6)Bottom:Induction (7)Handle&Konb:Bakelite or with rubber painting (8)Packing:Color box,bubble bag,handle and knob installed or unscrewed into color box,then 6 set in one carton Factory View/Show Room/Producion Machinery/Certificates