From June 3 to 5, 2021, the three-day SNEC 15th (2021) international solar photovoltaic and smart energy exhibition ended successfully in Shanghai New International Expo Center. This Expo focuses on the whole photovoltaic industry chain and has a unique positioning. It is the largest photovoltaic exhibition in China. Hengfengtai showed all-round new technologies and products of solar power generation to customers at home and abroad.