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Are your transformers ANSI/IEEE compliant?
Yes. All U.S.-bound transformers are designed per ANSI/IEEE C57.12 series. UL listing available upon request.
Customized transformer solutions
Certified by National Transformer Quality Testing Center with ISO 9001/14001/OHSAS 18001 certifications, and partnered with Ministry of Machinery & State Power Company.
13.78M kVA Annual Capacity | 30+ Years of Experience
Serving utility, wind, and solar projects. Custom manufacturing available with full factory test reports. Emergency project lead times supported. Maximum voltage available upon request.
Precision Manufacturing | Engineer-Driven | Results-Focused
ZBB Group is an engineer-driven transformer manufacturer. We focus on ANSI/IEEE standards, providing full support from design verification to project delivery — backed by test data.
36,000 m² UL-Ready Facility | 300+ Precision Manufacturing Systems
ZBB Group's Shanghai facility is UL/CSA ready, equipped with 300+ precision manufacturing and testing systems, producing ANSI/IEEE-compliant power transformers, dry-type transformers, and switchgear (UL available upon request). Delivering tested efficiency data and project support.
ANSI/IEEE-Compliant | Standard & Custom Designs
Built to meet your project requirements.
ZBB stands for reliability, efficiency, and on-time delivery.
Call Us Today
+86 18049760368
24/7
EMERGENCY TRANSFORMER REPLACEMENTS
Fast response when you need it most. Power down? We've got you covered.
About Us
Who We Are
How We Work
Engineer-Driven Transformer Manufacturer
We are an engineer-driven transformer manufacturer. Our team has hands-on experience delivering to utility, wind, and solar projects.
What We Do
- New transformers built to ANSI/IEEE standards
- Custom manufacturing to your drawings (voltage, dimensions, buswork, interfaces)
- UL listing available upon request
- Third-party witnessed testing available (BV/DNV/ABS or your specified lab)
Why Customers Work With Us
- Emergency orders prioritized — as fast as 15 days
- 2-year warranty on dry-type transformers
- 100% factory tested with test reports included
- Fast response — your inquiry is prioritized with technical staff
Transformers
Check Our Transformers Products
Frequently Asked Questions
Check Our Frequently Asked Questions
What is your warranty?
2 years (extendable upon negotiation).
Can you provide third-party test reports?
Yes. We provide complete factory test reports. Third-party witnessed testing can be discussed on a per-project basis.
What is the minimum lead time for emergency orders?
As fast as 15 days for emergency replacements (strategic material reserve).
Do you have a U.S. warehouse or local support?
Main shipping from Shanghai. Remote technical support and on-site service coordination available.
Comprehensive Support & Information
Our FAQ section covers transformer products, insulation materials, and technical specifications, addressing design, manufacturing standards, quality control, and logistics inquiries. For further assistance, our technical team is readily available to assist.
Contact Us
Reliable Power Solutions Backed by Leading Technical Expertise
Backed by the strong technical support of Shanghai University and Shenyang Institute of Technology, we are committed to delivering high-quality power transformers and switchgear. With advanced manufacturing equipment and rigorous quality control, we ensure exceptional performance. Contact us now for customized solutions!
Get a QuoteContact
Check Our Contact
Get in touch
Emergency replacement? Special voltage or footprint?
Send your drawing or spec sheet to [[email protected]]
Or use the RFQ form and technical support request on the right.
Location:
No.4185 Tingwei Highway, Jinshan Industrial Zone, Shanghai.
Email:
Mobile:
+8618049760368
Whatsapp:
8615821831910
