... or zinc alloy 4.MOQ:1000pcs 2 ways porcelain terminal block(VDE)1.Specifications:1)main material:radioceramic2) ... Ceritifcate:VDE,Rohs3)Terminal material:copper or zinc alloy4)Ampere:5A,10A,15A ... lamp holder:E10,E12,E14,E27,B22 etc5.porcelain conector:1way,2ways,3ways(5,10A,15A,20A,30A)6 ... etc4.More production photoes: 2 ways porcelain terminal block(VDE)