This product is applied to high voltage power line service.And have features of good hydrophobicity,anti-aging,anti-leakage trace and electrical erode proof,tensile strength and bending strength,strong mechanical strength,shock resistance good quakeproof and brittle-failure proof,light weight,easy to installation,and theinstallation outline of top and base are the same size with porcelain-pin type,they can exchange to use each other.
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