China Power Transformer Manufacturers, High-Voltage Switchgear Suppliers, Power Distribution Equipment Factory

Data Centers & Critical Facilities

We provide reliable large substation (10–60 MVA) and dry-type transformers with N+1/2N redundancy for hyperscale and Tier III/IV data centers.

Renewable Energy Integration

Our high-efficiency solar step-up transformers (≥98.7%) and low-temperature wind farm units (–40°C) support green energy projects worldwide.

North American Power Distribution

IEEE/ANSI/DOE-compliant pad-mounted and substation transformers (15–25 kV) deliver safety and performance for utility and industrial grids.

European Energy Efficiency Upgrades

EU Ecodesign-compliant transformers reduce no-load losses by up to 40%, supporting sustainable grid modernization.

Product Center

We have established long-term cooperative relations with many enterprises.

500kV Oil-Immersed One-Phase Two-Winding Power Transformer

Our 500kV single-phase modular transformers are engineered for EHV substations and power plants requiring high

330kV Oil-Immersed Three-Phase Three-Winding Power Transf...

Our 330kV oil-immersed three-phase three-winding off-circuit tap-changing power transformers are designed for complex

220kV Oil-Immersed 3-Phase 2-Winding OLTC Power Transformer

Our 220kV oil-immersed three-phase two-winding on-load tap-changing power transformers are designed for critical grid

110kV Oil-Immersed 3-Phase 2-Winding OLTC Power Transformer

Our 110kV oil-immersed three-phase two-winding on-load tap-changing power transformers are intelligent

500kV Oil-Immersed Three-Phase Two-Winding Power Transformer

Our 500kV oil-immersed three-phase two-winding power transformers are designed for high-voltage transmission networks

220kV Oil-Immersed 3-Phase 3-Winding NLTC Power Transformer

Our 220kV oil-immersed three-phase two-winding on-load tap-changing power transformers are designed for critical grid

330kV Oil-Immersed Three-Phase Two-Winding Power Transformer

Our 330kV oil-immersed three-phase two-winding off-circuit tap-changing power transformers are designed for 330kV

220kV Oil-Immersed 3-Phase 2-Winding NLTC Power Transformer

Our 220kV oil-immersed three-phase two-winding off-circuit tap-changing power transformers are designed for

Product Application

Warmly welcome friends from all walks of life to visit, investigate and negotiate business!

Power Grids & Utility Infrastructure

OEM & Component Supply

Industrial & Manufacturing

Commercial, Urban & Data Centers

About Us

Trust In Grid Co., Ltd. – Your Certified & Integrated Transformer Partner

For over 30 years, Trust In Grid has been a trusted name in power transformer manufacturing. We specialize in the entire range—from single-phase and dry-type to high-voltage units up to 500kV—ensuring reliable performance for diverse applications.

Our Certifications: Your Global Access Pass
Our products are engineered to meet and exceed international standards, holding key certifications for global market entry:
√ Compliance & Safety: Full compliance with IEC, IEEE, ANSI, CSA, and DOE standards.
√ CE Mark & EU Market: Guarantees free movement within the European Economic Area.
√ ISO 9001:2015: Certifies our commitment to consistent quality management.

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