dry-type transformers, Prefabricated Substation, High Voltage Switchgear

Most Popular
Dry-Type Transformers

Huihai Dry-type transformers feature excellent electrical performance, strong resistance to lightning strikes, strong short-circuit withstand capability, and small size and light weight.

We have our own power design institute, which can customize the most cost-effective product and service solutions according to your specific requirements.

About Us

Huihai Electric Co., Ltd.

A leading Chinese manufacturer of intelligent grid control and power transmission & distribution control equipment.

Our Company is mainly committed to the research, development, production and sales of smart grid control and transmission and distribution control equipment such as box-type substations, high and low voltage switchgear, JP rural power grid cabinets, energy-saving power transformers, dry-type transformers, low-voltage reactive power automatic compensation complete sets, substation on-line detection devices, intelligent DC system maintenance systems, oil-drainage nitrogen-filling fire extinguishing devices, power instruments Instrument, etc.Read more here.

Advanced Technology

We reinvent power efficiency with hardcore technology.The entire product range has passed rigorous extreme-environment tests—zero flicker, zero outage, delivering every kilowatt-hour with unwavering stability. With next-generation technology, we inject lasting vitality into the grid.

Strong strength

The company covers an area of over 100 acres, with a factory area of 20,000 square meters and more than 270 employees, including 38 management personnel and 21 technical R&D personnel. The company's annual output value has exceeded 200 million US dollars.

Quality Service

We don’t just deliver equipment – we deliver peace of mind. Our 24/7 technical support team is always ready to respond, with on-site service guaranteed within four hours. From pre-sales consultation to installation, training, and lifetime maintenance, every step is handled by dedicated experts who know your infrastructure inside out.

Find products and solutions available in your industry

Our products have been widely used in new energy power generation, residential communities, power transmission, railway construction and other fields.

Design Institute

Huihai Design Institute possesses a Class C qualification for power industry (power transmission engineering and substation engineering) design (Qualification No.: A237031592). It mainly engages in consulting, survey and design, research and development and technical services for power engineering, covering multiple directions such as substation engineering, power transmission engineering, distribution network engineering, grid connection system, and new energy power generation.Read more here.

Construction and Installation

Huihai Power possesses a Class III general contracting qualification for power engineering construction and a Class IV license for the installation (repair, testing) of power facilities. It can undertake the construction of power generation projects with a single unit capacity of 100,000 kilowatts and below, transmission lines of 110 kV and below, and substations of the same voltage level. It can also undertake the installation, maintenance, and testing of power transmission, supply, and receiving facilities of 35 kV and below.Read more here.