... porcelain 2) Customized designs accepted 3) Pin insulator,post insulator,stay insulator 4)Color:brown YX15 Porcelain Insulator Specification:1) Material: porcelain;2) ... designs accepted;3)we also supply Pin insulator for telephone lines, post insulator, stay insulator, suspension insulator, with material porcelain or polymeric;4 ... of different markets throughout the world. YX15 Porcelain Pin Insulator