Zhejiang Wellsun Intelligent Technology Co., Ltd. operates in China's smart metering, smart IoT, smart distribution network, and smart energy sectors. It offers smart energy meters, electricity information collection equipment such as concentrators, collectors, and special transformer collection terminals, as well as communication modules, metering transformers, and energy metering boxes. The company also provides molded case circuit breakers, intelligent measurement switches, photovoltaic circuit breakers, miniature circuit breakers, low-voltage line monitoring terminals, intelligent converged terminals, distribution network digital AI-assisted monitoring systems, smart gateways, and smart sensors. Additionally, it offers electric vehicle charging communication controllers (EVCC), microgrid, vehicle-to-grid interaction (V2G), and other products. Founded in 1992, the company is headquartered in Taizhou, China.