1) Product name: porcelain insulator; 2) Model no:YF052; 3) Certificate :CE VDE; 4) Rated Voltage:10V-250V; 5) Size:according to the different model and customer is choice; 6) OEM, ODM are avaible. enough ability to meet buyer fresh designed items; 7) Reply information no later than 24hours; We promise that our products would be safest and were in high quality and reasonable price. If you are interesting in our products, please contact us asps.