11KV/22KV/33KV Galvanized Steel Insulator Pin Spindle
Direct Manufacter, Excellent Quality, Competitive Price And Good After-Service
1. The steel spindle is an important part of the porcelain pin insulator, it can decides the mechncial strength of the porcleain pin insulator.
2.Its usage is fixing the insulators to the overhead power transmission line or substation.



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