Our primary products include components for photovoltaic (PV) systems, components and power distribution cabinets for both low and high voltage, new energy power equipment, and Internet of Things (IoT) circuit breakers. We have recently expanded our product line to include new energy charging piles, energy storage systems, combiner boxes, grid-connected cabinets, prefabricated cabin equipment and are continually developing new products.. 

We are an electrical company integrating production and trade., and our products are mainly photovoltaic components and power distribution equipment.

Since 2000, our chairman has accumulated rich R&D and management experience in well-known electrical companies (Delixi, CHNT).

In 2007, he partnered with friends to establish Sigma Technology

In 2016 , He established Suzhou Leidun Electric Co., Ltd.

In 2018, Leidun Electric Wenzhou Branch opened in Liushi Town, Yueqing City, known as the "China Electrical Capital" to serve a wider market.

In 2022, HONGDUN Electrical Technology Co., LTD was established to mainly engage in photovoltaic power distribution equipment.

In 2023, Zhejiang Leidun Electric Co., Ltd was established to expand our business territory, with the goal of making greater breakthroughs in the field of new energy and provide better solutions for achieving "carbon neutrality" and smart green electricity.