... .VDE certification Porcelain Connector --High frequency porcelain1.Material:porcelain,radioceramic Material: Ceramic (Steatite Ceramic & Alumina) Material Fittings: Copper. Iron. Alumina (Zincification & Nickelplate)2 ... :250v,300v,450v,600v4.Style:1wire,2wires,3wires5.Fittings:cooper,iron,aluminum,nickelplate6.MOQ:30,000 pcs7.Package:exported standard carton ...