About
Wenzhou Rockwell Transformer Co., Ltd.
It is a high - tech enterprise integrating R & D, production, sales, and service. It focuses on the manufacturing of power transformers and supporting equipment, and is committed to providing efficient, reliable, and energy - saving power transmission and distribution solutions for global customers.
We can offer:
•Distribution transformers and substations
•Outdoor switchgears and breakers(recloser)
•Switchgears and it’s components (GIS, RMU, VCB, SF6 CB)
Market and Service:
We always take customers as the orientation and provide customized services according to their requirements. Our products are exported to the Middle East, Africa, Northern Europe, South America, and many other countries and regions.
Drive the future of electricity with technological innovation and become a leading global supplier of intelligent power equipment.
Industry：
Scale：
Nature of the Enterprise：
For-Profit Organization
RegDate：
2013-06-21
Main Business：
Power Transformers
Address：
Dongyan Village, Weng Yang Street, Yueqing City, Wenzhou City, Zhejiang Province
For your information security, this site’s homepage has been officially verified.
Products
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11kV 15kV 20kV 22kV Three-Phase Oil-Immersed Earthing/Grounding Transformer China Manufacturer China manufacturer: 11kV/15kV/20kV/22kV three-phase oil-immersed earthing transformers. IEC/IEEE compliant, ZN winding, stable MV grid grounding, custom specs available.
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Customization 6kV 10kV 20kV 22kV 33kV Oil-Immersed High-Voltage Side-Mounted Grounding Transformer source manufacturer 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.
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TVI Series SF6 Inductive Voltage Transformer Inductive Voltage Transformer
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TG Combi Series Gas-insulated combined current and voltage transformer Gas-insulated combined current and voltage transformer
Members
-
no****@rockwill.cn
Manager
Verified Business
Whole life care manager
13
Years Experience
Employees Num
60000㎡
Workplace
$100000000
Highest Annual Export
Solutions
Complete Solution for Central Air Conditioning System Retrofit in Mexican Office Buildings (American Standard Distribution Transformer)
Ⅰ. Project Background & Pain Point AnalysisThe Mexican office building utilizes a 15HP commercial central air conditioning system originally powered by a single-phase 220V grid. Due to the lack of 380V three-phase driving voltage, the compressor startup current exceeds overload limits (measured at 3.2× rated current), causing refrigeration efficiency to plummet to 40%, accompanied by:Motor winding temperature rise exceeding standards (ΔT > 65°C), reducing insulation lifesp
05/19/2025
NEMA-Compliant Distribution Transformer Solution: Specialized Optimization for New Energy Manufacturing
Ⅰ. Project ChallengesA lithium battery production line in Quebec required conversion of 575V three-phase power from the Canadian industrial grid to 220V single-phase power. The existing distribution transformer system faced:Harmonic interface: Voltage distortion affected precision control systems, reducing yield rates by 18%Energy efficiency loss: Conventional distribution transformers exhibited 0.8 power factor with notable reactive lossesEnvironmental adaptability: Humidity fluctuations in ind
05/20/2025
ANSI-Compliant Distribution Transformer Solution for Energy Efficiency Optimization in a Mexican Baking Plant
Ⅰ. Scenario Requirements & Technical ChallengesGrid Compatibility: Mexico's industrial grid operates at 480V/60Hz (3-phase), while imported equipment (e.g., Italian baking lines) requires 380V/50Hz, creating dual voltage and frequency mismatches.Equipment Reliability: The baking workshop’s harsh environment (up to 45°C, 70% humidity) demands ANSI-compliant distribution transformers with high-temperature resistance and moisture-proof capabilities to prevent insulation failure and do
05/19/2025
Moments
Oil-immersed transformers are widely used as electrical equipment. In its production period, Rockwell has strict quality control system and test procedure. Either structure or appearance, Rockwell's transformers are highly competitive.
2025-05-09 14:25:56.0
News
Cameroon Electricity Authority Delegation Successfully Inspects and Accepts Rockwell's 30kV/20,000kVA Three-Phase Voltage Regulator
From May 17-20, 2025, a technical delegation from the Cameroon Electricity Authority visited Rockwell to conduct the final acceptance of the 30kV/20,000kVA three-phase automatic voltage regulator custom-developed for Cameroon’s national grid.During the four-day inspection, the delegation focused on testing the regulator’s core component—the on-load tap-changer (OLTC) supplied by Germany’s Maschinenfabrik Rheinhausen (MR). “Selecting MR’s tap-changer was pivotal to this collaboration,” stated a p
2025-05-22 16:21:07
DR Congo Electricity Authority Delegation Tours Rockwell, Inspects 15,000kVA Three-Phase OLTC Transformer
Recently, a technical delegation from the National Electricity Authority of the Democratic Republic of the Congo (DRC) visited our company to conduct the final acceptance of a 15,000 KVA three-phase on-load tap-changing transformer custom-designed for the DRC’s national grid upgrade project. The successful delivery of this project marks a new phase in Sino-African power cooperation and provides critical technical assurance for stable electricity supply in the DRC.Our company has been dedicated t
2025-05-09 14:42:49
Partners
Global Service Network
「Rockwell」 has solidified its leadership in the global power industry through a robust network encompassing
「0」Country representatives,
「0」 Branches/Offices, and strategic alliances with
「0」Exclusive distributors
「0」Regional distributors, and
「0」Bidding agents, complemented by
「0」Manufacturing partners,
「0」Technical service centers,
「0」Technical Partner,
「0」 Warehouses, and
「0」Local stores that ensure comprehensive market coverage and rapid technical response.
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