Professional Power
Transformer Manufacturer
Tianjin Kechang International Trade Co.,Ltd. is a comprehensive power service company integrating R&D, design, manufacturing, sales, and after-sales service. Its main products include energy-saving power transformers (oil-immersed transformer and dry-type transformer), amorphous alloy transformers, underground compact transformer substations, compact transformer substations, high- and low-voltage switchgear, ring main units, vacuum circuit breakers, and distribution boxes. These products are widely used in power transmission and distribution systems in substations, transportation, mining, metallurgy, construction, petrochemicals, chemicals, railways, subways, urban light rail, communications, and urban and rural power grid construction and renovation. These products are highly sought after for their energy efficiency and durability, and are exported to Central Asia, Southeast Asia, the Middle East, South Africa, South America, and Europe.
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WHY
CHOOSE US
We provide customized adaptation solutions and leverage technological iteration to help customers reduce costs and increase efficiency.
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Professional ability and rich experienceWe have a strong team and advanced technical strength. Providing customers with high-quality services is our core mission.
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Good reputation and word of mouthWe have always adhered to the principle of honest operation and won the trust and praise of our customers.
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High-quality service and comprehensive supportWe provide a full range of service support, including pre-sales consultation, technical support and after-sales service.
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Innovative spirit and sustainable developmentWe focus on technological innovation and research and development, and constantly innovate to meet the ever-changing market and customer needs.
PRODUCTSCATEGORIES
Safe and stable operation for 30 years
Our products are accepted and certified by Schneider Electric, have safe type test reports and safety interlocks, are able to operate stably in extreme environments and have very low maintenance rates (maintenance-free), and load losses are well below the average of their peers.
Our hot sale products
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![220kV Oil-immersed Power Transformers]( "220kV Oil-immersed Power Transformers")
220kV Oil-immersed Power TransformersRated Voltage:220KV
Low Voltage:35KV 10KV 6.3KV
Rated Capacity:16000kVA 20000kVA 25000kVA 31500kVA 40000kVA
Connection Vector... -
![Prefabricated Compact Transformer Substation]( "Prefabricated Compact Transformer Substation")
Prefabricated Compact Transformer SubstationSchneider Strategic Partners
Smartgrid Solutions
Can come to the drawing customization
Reservable for installation of transformers and... -
![12kv indoor Ring Main Unit-reliable Indoor Power Distribution Choice]( "12kv indoor Ring Main Unit-reliable Indoor Power Distribution Choice")
12kv indoor Ring Main Unit-reliable Indoor Power Distribution ChoiceRated Voltage:10kV 35kV
Rated Current:630A 1250A
Short-Circuit Breaking Capacity:25kA 31.5kA
Protection Level:IP44 IP54
Insulation... -
![110kV Oil-immersed Power Transformers]( "110kV Oil-immersed Power Transformers")
110kV Oil-immersed Power Transformers•Model: S11 / S13 / S20 / S22
•Rated Capacity: 30–60000 kVA
•Voltage Rating: 220kV 110kV /6.3kV 10kV 35kV
•Cooling Method: ONAN /... -
![Three Phase Oil Immersed Transformer]( "Three Phase Oil Immersed Transformer")
Three Phase Oil Immersed TransformerThe winding material is copper or aluminum
Cooling option
It has a patent for noise reduction, which is 20% lower than its peers
Fully... -
![Distribution Dry Type Transformers]( "Distribution Dry Type Transformers")
Distribution Dry Type TransformersOver 100,000 hours of average trouble-free operation
Load Loss Optimized 10%~15%
Built-in all kinds of sensors for remote... -
![HV Switchgear]( "HV Switchgear")
HV SwitchgearRated Voltage:10KV 35KV
Rated Current:630A 1250A 2000A
Rated Short-Circuit Withstand Capacity:25kA 31.5kA 40kA
Protection Level:IP44 IP54... -
![Electrical Vacuum Breaker]( "Electrical Vacuum Breaker")
Electrical Vacuum BreakerRated Voltage:10KV 35KV 66KV
Rated Current:630A 1250A 2000A
Rated Breaking Capacity:25kA 31.5kA 40kA
Operation...
Latest news and events
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![Kechang Electric Optimizes Transformer Production Schedule To Shorten Delivery Cycle For Overseas...]()
Sep 09, 2026Kechang Electric Optimizes Transformer Production Schedule To Shorten Delivery Cycle For Overseas...As the global number of new energy construction and power grid transformation projects continues to increase, the project construction period of overseas cus...view more -
![Grid Stability Crisis in Europe: Why Low‑loss Power Transformers Are in High Demand]()
Sep 03, 2026Grid Stability Crisis in Europe: Why Low‑loss Power Transformers Are in High DemandEurope faces ongoing grid instability due to aging power infrastructure, renewable energy volatility and extreme weather. Learn why IEC-standard low-loss pow...view more -
![Global Power Demand Accelerates, Driving New Investment in Transformers And Grid Equipment]()
Aug 27, 2026Global Power Demand Accelerates, Driving New Investment in Transformers And Grid EquipmentGlobal electricity demand continues to grow rapidly across the world, bringing grid infrastructure and transformer equipment into sharp focus for the entire ...view more
