E27 porcelain lamp holder 1.CE/Rohs standard 2.Enjoyed competitive price 3.Metal:copper,alu,iron,nickel plated 4.MOQ:1000pcs E27 Porcelain lamp holder Specifications:1.With CE/Rohs quality standard2.Fittings:Screw shellalu,copper,iron,plated nickel&plated brassContactalu,copper,iron,plated nickel&plated brassTerminalzinc alloy&copperBracketiron3.Extra rating:4A,250V4.With reasonable prices, ...