CN Energy Group. Inc. manufactures and supplies wood-based activated carbon in China. Its product is primarily used in pharmaceutical and industrial manufacturing, water purification, environmental protection, and food and beverage production markets. The company also serves activated carbon wholesalers and companies engaging in the activated carbon deep processing business. In addition, it produces and supplies biomass electricity generated in the process of producing activated carbon to State Grid Heilongjiang Electric Power Company Limited. The company was founded in 2018 and is headquartered in Hangzhou, China.