Jiangsu Profile
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Featured Products
Product List
61. U210B Anti-Sandstorm Direct Current Toughened Glass Insulator with IEC Standrad 
[Mar 25, 2026]
[Mar 25, 2026] Glass Insulator Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, ...
Company: Nanjing Rainbow Electric Co., Ltd.
62. Wholesale U70BLP High Voltage Glass Insulator for Electrical Insulation [Mar 25, 2026]
[Mar 25, 2026] Glass Insulator Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, ...
Company: Nanjing Rainbow Electric Co., Ltd.
63. U530B Ball and Socket Type Toughened Glass Insulator for High Voltage Transmission [Mar 25, 2026]
[Mar 25, 2026] Glass Insulator Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, ...
Company: Nanjing Rainbow Electric Co., Ltd.
64. U70BL High Voltage Electrical Insulation Spherical Disc Suspension Type Glass Insulator [Mar 25, 2026]
[Mar 25, 2026] Glass Insulator Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, ...
Company: Nanjing Rainbow Electric Co., Ltd.
65. 100kN U100BL Standard Type Toughened Glass Insulator for Power Transmission Line [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator The product is assembled by cap,toughened glass shell and pin using cement. It is used for insulation and suspending conductors on high voltage ultra high voltage and extra high voltage AC and DC ...
Company: Nanjing Rainbow Electric Co., Ltd.
66. IEC Standard High Voltage U210B Glass Insulator for Power Distribution [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator The product is assembled by cap,toughened glass shell and pin using cement. It is used for insulation and suspending conductors on high voltage ultra high voltage and extra high voltage AC and DC ...
Company: Nanjing Rainbow Electric Co., Ltd.
67. U120B Standard Type Toughened Disc Suspemsion Glass Insulator [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator The product is assembled by cap,toughened glass shell and pin using cement. It is used for insulation and suspending conductors on high voltage ultra high voltage and extra high voltage AC and DC ...
Company: Nanjing Rainbow Electric Co., Ltd.
68. U120BP Anti-Fog Disc Supsension Toughened Glass Insulator [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator The product is assembled by cap,toughened glass shell and pin using cement. It is used for insulation and suspending conductors on high voltage ultra high voltage and extra high voltage AC and DC ...
Company: Nanjing Rainbow Electric Co., Ltd.
69. U100BS Good Quality Anti-Ice Toughened Glass Insulator for Extremely Cold Regions [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator The product is assembled by cap,toughened glass shell and pin using cement. It is used for insulation and suspending conductors on high voltage ultra high voltage and extra high voltage AC and DC ...
Company: Nanjing Rainbow Electric Co., Ltd.
70. 100kN Superior Performance Anti-Fog Glass Insulator in Polluted Areas [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator The product is assembled by cap,toughened glass shell and pin using cement. It is used for insulation and suspending conductors on high voltage ultra high voltage and extra high voltage AC and DC ...
Company: Nanjing Rainbow Electric Co., Ltd.
71. IEC Standard U120BP Anti Fog Toughened Glass Insulator with RTV Coating [Mar 24, 2026]
[Mar 24, 2026] Applying RTV silicone coating to glass insulator delivers multiple practical benefits for high-voltage electrical systems. Firstly, it forms a smooth, hydrohobic protective layer that repels moisture, dust, salt mist ...
Company: Nanjing Rainbow Electric Co., Ltd.
72. 120kN High Voltage Glass Insulator for Global Electrical Distribution [Mar 24, 2026]
[Mar 24, 2026] The product is assembled by cap,toughened glass shell and pin using cement. It is used for insulation and suspending conductors on high voltage ultra high voltage and extra high voltage AC and DC transmission lines. It ...
Company: Nanjing Rainbow Electric Co., Ltd.
73. 70kN Durable Glass Insulator for Worldwide Electrical Power System [Mar 24, 2026]
[Mar 24, 2026] Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, thus reducing the ...
Company: Nanjing Rainbow Electric Co., Ltd.
74. High Voltage 550kN Toughened Disc Glass Insulator for Transmission Tower [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, ...
Company: Nanjing Rainbow Electric Co., Ltd.
75. 100kN High Voltage Electrical Insulation Disc Tempered Glass Insulator [Mar 24, 2026]
[Mar 24, 2026] Glass Insulator Our premium glass material delivers outstanding dielectric properties, effectively resisting electrical discharges and maintaining stable insulation performance even in polluted or humid environments, ...
Company: Nanjing Rainbow Electric Co., Ltd.
