we can provide you this bobbin insulator with good quality but with very competitive price

We specialize in producing this spool insulator ,it is manufactured from wet process porcelain to ensure a lifetime of trouble free performance. They are designed by the experienced engineers, and tested by the advanced quality test enquipments.

  Spool insulator type: 53-1,53-2,53-3,53-4,53-5

   Applicable standard:ANSI C29.3 and etc