نظام التحكم بالطاقة الشمسية  شركات مصنعة، تجار، موردون، مزودو خدمات

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.