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Electric Transformer Source Factories | Wholesale Power Transformer Platform

Discover verified electric transformer source factories on our vertical platform! We gather top-tier manufacturers offering ISO/IEC/ANSI certified power transformers, custom specifications, low energy loss, OEM/ODM support, and global shipping. Skip middlemen—source directly from reliable factories for power transmission & distribution projects worldwide.

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Oil-immersed amorphous alloy distribution transformer 35kV
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Oil-immersed amorphous alloy distribution transformer 35kV
Negotiable
Oil-immersed amorphous alloy distribution transformer: Energy-efficient, low-loss. Ideal for power distribution, reliable performance.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Amorphous Alloy Dry - type Transformer 10kV 35kV
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Amorphous Alloy Dry - type Transformer 10kV 35kV
Negotiable
Amorphous alloy dry-type transformer for 10kV and 35kV systems, delivering low-loss, energy-efficient power distribution for industrial and utility applications.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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32 step fully automated maintenance-free voltage regulator 6kV-33kV
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32 step fully automated maintenance-free voltage regulator 6kV-33kV

Negotiable
32-step fully automated maintenance-free voltage regulator for 11kV to 33kV, ensuring precise voltage control with long-term reliability.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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6kV 6.35kV 7.62kV 13.2kV 13.8kV 14.4 kV Overhead Line Single Phase Automatic Step Voltage Regulator
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6kV 6.35kV 7.62kV 13.2kV 13.8kV 14.4 kV Overhead Line Single Phase Automatic Step Voltage Regulator
Negotiable
Overhead line single-phase automatic step voltage regulator for 6kV to 34.5kV, ensuring stable voltage and improved power quality.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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High Precision step voltage regulator 6kV 15kV 22kV 33kV
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High Precision step voltage regulator 6kV 15kV 22kV 33kV
Negotiable
High-precision step voltage regulator for 6kV, 15kV, 22kV, and 33kV, ensuring accurate voltage regulation and improved power quality.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Three-Phase Automatic Step Voltage Regulator-13.8kV to 34.5kV
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Three-Phase Automatic Step Voltage Regulator-13.8kV to 34.5kV
Negotiable
Three-phase automatic step voltage regulator for 13.8kV to 34.5kV, ensuring stable voltage and improved power quality in distribution.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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13.2kV 14.4kV 19.92 kV 33kV 34.5 kV Single Phase Pole Mounted voltage regulator control for Precise output voltage regulation
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13.2kV 14.4kV 19.92 kV 33kV 34.5 kV Single Phase Pole Mounted voltage regulator control for Precise output voltage regulation
Negotiable
Single-phase pole mounted voltage regulator for 6kV, 11kV, 15kV, and 33kV, ensuring stable voltage and improved power quality in distribution.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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13.2kV 13.8kV 14.4kV 19.92kV IEC Standard voltage regulator control compliant for Industrial Manufacturing Industry
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13.2kV 13.8kV 14.4kV 19.92kV IEC Standard voltage regulator control compliant for Industrial Manufacturing Industry
Negotiable
IEC-compliant voltage regulator for 13.2kV, 13.8kV, 14.4kV, and 19.92kV, ensuring stable power quality for industrial manufacturing.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Automatic Tap - Changing Voltage Regulator compliant for Power Industry 7.62 kV-34.5 kV
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Automatic Tap - Changing Voltage Regulator compliant for Power Industry 7.62 kV-34.5 kV

Negotiable
Automatic tap-changing voltage regulator for 7.62kV to 19.92kV, ensuring stable voltage and compliance for power industry applications.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Customization 6kV 10kV 20kV 22kV 33kV Oil-Immersed High-Voltage Side-Mounted Grounding Transformer source manufacturer
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Customization 6kV 10kV 20kV 22kV 33kV Oil-Immersed High-Voltage Side-Mounted Grounding Transformer source manufacturer
Negotiable
Customization 6kV 10kV 20kV 22kV 33kV Oil-Immersed High-Voltage Side-Mounted Grounding Transformer source manufacturer creates a compact artificial neutral point for ungrounded systems with space-saving side bushings.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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