小型風力裝置  製造商、經銷商、供應商

Shiyou Electric was established in 2011 as a joint venture between Xiangtan Shitong Electric and Unitron from Holland. The company is committed to the development of the renewable energy, specializing in R&D and manufacture of wind power control system, solar power system, energy storage system, EV charging station and industrial automation products, etc. In 2022, it was awarded as China's “Specialized and Innovative Little Giant”.

The company focuses on independent research and development, it has more than 50 technicians in the R&D team, including doctors, masters, and bachelors, and it has gotten more than 100 patents so far.

Siemens is a global powerhouse focusing on the areas of electrification, automation and digitalization. One of the world’s largest producers of energy-efficient, resource-saving technologies, Siemens is a leading supplier of systems for power generation and transmission as well as medical diagnosis. In infrastructure and industry solutions the company plays a pioneering role.