... /iron 4.competitive price. 5.fast delivery Extension lamp holder JM-407W-LDetail picture: Feature of our company's ... Lamp cap:Item No.JM-407W-LBrandZAIBA, Ding niu, ... can product many ranges of Lamp holder. such as lamp holder, wall lamp holder, porcelain lampholder, ceramic lamp base,lamp cap,plastic lampholder base,bakelite and plastic lampholder, E27 ...