sale chpeapest price electrical insulator 2.color:brown 3.competitive price 4.good quality Porcelain insulator :1.Type: insulator 2. Material: porcelain 3. Export market: North America, South America, Middle East, Southeast Asia, Africa, Europe, etc.4. Usage : Decorate lighting and as lamps accessories 5. Package: Paper packing and as your requirements6. Payment: T/T 30% deposit ,70% balance ...