About insulglass

insulglass is a manufacturer of toughened (tempered) glass insulators for overhead power transmission and distribution lines, and for substations. For over 15 years we have supplied cap & pin suspension, pin-type, post and fitting hardware to utilities and EPC contractors worldwide.

What we do

  • Toughened-glass insulator shells, in-house melting and tempering
  • Cap & pin assembly with hot-dip galvanized metalware
  • Type testing to IEC 62217 and GB/T 1001.1

By the numbers

15,000㎡ factory · 100+ skilled workers · 20+ production lines · ISO 9001 quality system.