Shanghai Industrial Transformer Co., Ltd. — Since 2007
SGOB is a high-tech enterprise integrating R&D, lean production, and comprehensive technical services for power transformers, including oil immersed transformers (S13–S22 series, up to 110kV) and cast resin dry-type transformers (SCB13–SCB18 series), box-type substations, and switchgear cabinets.
With a 5-hectare modern production base (40,000m² building area), 200+ employees including 46 engineers (11 senior + 35 intermediate), and annual output exceeding USD 15 million, we deliver reliable power solutions worldwide.
Trusted by clients in 15+ countries across Africa, Asia-Pacific, and Europe
5-hectare production base · 40,000m² facility
200+ employees · 46 engineers (11 senior + 35 intermediate)
Annual output USD 15M+
Fully automatic foil winding · CNC sheeting · Vacuum drying
✅ ISO 9001: Quality Management
✅ ISO 14001: Environmental Management
✅ ISO 28001: Health & Safety
✅ National Transformer Quality Supervision Center
Shanghai High-Tech & Specialized New Enterprise
Africa: DRC · Kenya · Nigeria · Tanzania
Asia-Pacific: Australia · India · Philippines · Vietnam · Bhutan · East Timor
Europe/Central Asia: Russia · Kazakhstan
Exporting to 15+ countries worldwide
End-to-end quality control: design → procurement → production → inspection → delivery
Customized solutions for power, mining, infrastructure, and renewable energy
On-time delivery · Full after-sales technical support
24-hour response · 18-month warranty
Real feedback from partners around the world
Project Manager, Kenya Power & Lighting
"SGOB delivered 5 units of 50MVA oil immersed transformers on time for our grid upgrade project. The quality exceeded our expectations and technical support was excellent."
Project completed: 2025Procurement Director, Vietnam Industrial Park
"We ordered 12 box-type substations for our industrial park. SGOB provided customized designs that met our local grid standards. Very reliable partner."
Project completed: 2024Operations Manager, Nigeria Mining Co.
"The 30kVA dry transformers we purchased for our off-grid mining operations have been running flawlessly for over 18 months. SGOB's quality is outstanding."
Project completed: 2024Quick answers to common questions about our transformers and services
A: We produce S13 to S22 series oil-immersed transformers up to 110kV, SCB13 to SCB18 series epoxy cast dry-type transformers, photovoltaic transformers, wind power transformers, and box-type substations for renewable energy and distribution projects.
A: Our products are widely used in power generation, power supply, coal, metallurgy, petroleum, chemical, construction, ports, airports, railway transportation, and urban infrastructure. We also specialize in new energy applications including photovoltaic and wind power.
A: Our products are certified by the National Transformer Quality Supervision and Inspection Center, and we hold ISO 9001, ISO 14001, and ISO 28001 system certifications. We are also recognized as a Shanghai High-Tech Enterprise and Shanghai Specialized New Enterprise.
A: We export to African countries including DRC, Kenya, Nigeria, Tanzania; Asia-Pacific markets including Australia, India, Philippines, Vietnam, Bhutan, East Timor; and European/Central Asian markets including Russia and Kazakhstan. We are actively expanding to new regions.
A: Our annual output exceeds USD 15 million. Standard lead time is 20–35 days after order confirmation and drawing approval. We have complete in-house production equipment including automatic foil winding machines, CNC sheeting lines, and vacuum drying devices.
A: Yes. We offer full customization based on your voltage, capacity, standard (IEC/ANSI/AS/BS), and application requirements. Our engineering team of 46 professionals can support your project from design to delivery with tailored solutions.
A: Please send your inquiry via our Send Inquiry page or email us at enquiry@sgobtransformer.com. We will respond within 24 hours with a detailed quotation and technical recommendations.
Still have questions? Contact our team →
Shanghai Industrial Transformer Co., Ltd. was founded in 2007. It is a high-tech enterprise integrating research and development, lean production, extensive sales and comprehensive technical services for electrical integrated systems such as power transformers that including oil immersed transformers and cast resin dry type transformer, box-type substations, high voltage and low voltage switch gear cabinets etc..
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