ZBB — Transformer Manufacturer & Engineering Partner
Engineering reliable transformer solutions for utility, industrial, renewable energy, and infrastructure applications worldwide.
Trasformatore di Shanghai del gruppo ZBB della Cina
ZBB GROUP has been designing and manufacturing power transformers, dry-type transformers, switchgear, and unit substations since 1985.
Our 36,000 m² facility is equipped with 300+ production and testing systems, with an annual capacity of 13.78M kVA and 30+ years of manufacturing experience.
We are a transformer manufacturer with in-house engineering, a full testing lab, and built to ANSI/IEEE, DOE efficiency, and UL/CSA standards.
Why Project Buyers Choose ZBB
Standards for U.S. Projects
ANSI/IEEE requirements reviewed by project; DOE efficiency and UL/CSA options available where required
Support for Time-Sensitive Projects
Lead time, materials and testing schedule confirmed against the project requirement
Application-Specific Design Review
Ambient temperature, enclosure, corrosion protection and installation conditions reviewed by project
Factory Testing & Witnessing
Routine test requirements and reports can be supplied for project review. Third-party witnessed testing can be coordinated when required.
Clear Commercial Terms
Warranty, documentation and after-sales terms defined with the quotation
Direct Project Communication
Technical and sales staff follow the inquiry from selection through delivery
What We Do
| Product | Capacity | Voltage |
|---|---|---|
| Pad-Mounted Transformers | 75 – 5,000 kVA | 34.5kV class |
| Dry-Type Transformers | 30 – 5,000 kVA | 35kV class |
| Substation Transformers | 5,000 – 20,000 kVA | 69kV class |
| Unit Substation Transformers | 112.5 – 5,000 kVA | 15kV class |
| Overhead Distribution Transformers | 25 – 500 kVA | 34.5kV class |
| Step-Up / Step-Down Transformers | Custom | Custom |
Certifications & Compliance
| Standard | Status |
|---|---|
| ANSI / IEEE C57.12 Series | Compliant |
| DOE 10 CFR Part 431 | Compliant |
| UL / CSA | Available upon request |
| NFPA 70 | Applicable |
| ISO 9001 / 14001 / 45001 | Certified |
| Third-party lab testing (BV / DNV / ABS) |
Available |
Fast Facts
Need a transformer for your U.S. project?
Send your drawing or spec sheet.
[email protected]