Jiangsu Profile
Product List
52096. Transformer Oil Level Indicator for Accurate Monitoring and Maintenance 
[Jun 26, 2026]
[Jun 26, 2026] Product Parameters GASKET(31*45*3) NBR 70 SET SCREW STAINLESS STEEL O-RING NBR 70 WASHER BRASS FLOAT ROHACELL HANDLE FOR FLOAD ALUMINIUM WASHER PLASTIC Nanjing Rainbow Electric Co., Ltd. (NJREC) is a ...
Company: Nanjing Rainbow Electric Co., Ltd.
52097. Transformer Accessories Indicator Oil Level Gauge Liquid Level Meter used in Transformer [Jun 26, 2026]
[Jun 26, 2026] Product Parameters GASKET(31*45*3) NBR 70 SET SCREW STAINLESS STEEL O-RING NBR 70 WASHER BRASS FLOAT ROHACELL HANDLE FOR FLOAD ALUMINIUM WASHER PLASTIC Nanjing Rainbow Electric Co., Ltd. (NJREC) is a ...
Company: Nanjing Rainbow Electric Co., Ltd.
52098. Pad-Mounted Transformer Pressure Release Valve: Ensuring Safe Operation [Jun 25, 2026]
[Jun 25, 2026] Company Profile Nanjing Rainbow Electric Co., Ltd. (NJREC) is a well-established and technology-driven manufacturer and supplier specializing in high-voltage electrical insulation products and transformer components. ...
Company: Nanjing Rainbow Electric Co., Ltd.
52099. Premium Transformer Oil Level Indicator for Precise Monitoring and Enhanced Safety [Jun 25, 2026]
[Jun 25, 2026] Company Profile Nanjing Rainbow Electric Co., Ltd. (NJREC) is a well-established and technology-driven manufacturer and supplier specializing in high-voltage electrical insulation products and transformer ...
Company: Nanjing Rainbow Electric Co., Ltd.
52100. Precision Oil Level Gauge Indicator for Three-Phase Distribution Transformer [Jun 25, 2026]
[Jun 25, 2026] Transformer Oil Level Gauge: A Vital Guardian for Safe Operation A Transformer Oil Level Gauge, or Oil Sight Glass, is an essential monitoring device installed on the conservator (expansion tank) of oil-immersed ...
Company: Nanjing Rainbow Electric Co., Ltd.
52101. Energy Saving Amorphous Iron Core for Oil-immersed Transformer [Jul 16, 2026]
[Jul 16, 2026] Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under 0.35mm Annealing: ...
Company: Nanjing Rainbow Electric Co., Ltd.
52102. Transformer Accessories Amorphous Alloy Split Cores Silicon Steel for Dry-type Transformer [Jul 17, 2026]
[Jul 17, 2026] Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under 0.35mm Annealing: ...
Company: Nanjing Rainbow Electric Co., Ltd.
52103. Transformer accesssories C-type Iron Transformer Core Nano Crystalline Core [Jul 17, 2026]
[Jul 17, 2026] Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under 0.35mm Annealing: ...
Company: Nanjing Rainbow Electric Co., Ltd.
52104. Compatible Transformer Iron Core Meeting China's National Voltage and Current Standards [Jul 14, 2026]
[Jul 14, 2026] Core Characteristics Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under ...
Company: Nanjing Rainbow Electric Co., Ltd.
52105. Transformer Core Silicon Steel Rolled Toroidal Ring Laminated Core [Jul 14, 2026]
[Jul 14, 2026] Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under 0.35mm Annealing: ...
Company: Nanjing Rainbow Electric Co., Ltd.
52106. Three-Phase Five-Limb Core with Epoxy Coating for Grid Substations (IEC 60404 Compliant) [Jul 13, 2026]
[Jul 13, 2026] Core Characteristics Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under ...
Company: Nanjing Rainbow Electric Co., Ltd.
52107. ROHS Compliant PQ32/20 Ferrite Core for Telecommunications Equipment (NiZn Material) [Jul 13, 2026]
[Jul 13, 2026] Core Characteristics Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under ...
Company: Nanjing Rainbow Electric Co., Ltd.
52108. Oil Level Gauge Liquid Level Meter for Three-Phase Transformer Use [Apr 02, 2026]
[Apr 02, 2026] Transformer Oil Level Indicator: It is an important monitoring device installed on the oil storage tank (expansion tank) of an oil-immersed transformer. Its main function is to clearly and continuously display the ...
Company: Nanjing Rainbow Electric Co., Ltd.
52109. Low Eddy Loss Shell-Type Core for Wind Turbine Transformers (Core Loss <1.1W/kg) [Jul 13, 2026]
[Jul 13, 2026] Core Characteristics Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under ...
Company: Nanjing Rainbow Electric Co., Ltd.
52110. Ultra-thin 0.18mm Annealed Steel Core for High-Frequency Switch Mode Power Supplies [Jul 13, 2026]
[Jul 13, 2026] Core Characteristics Material Composition: Silicon content: 3% alloy (Si:11Fe formula) Surface treatment: Dual-layer insulation coating (T2 coating standard) Cold Rolling: Precision thickness control under ...
Company: Nanjing Rainbow Electric Co., Ltd.
