Denox Environmental & Technology Holdings Ltd. engages in the designs, develops, manufactures, sells and markets products related to air pollution control. It operates through the Hong Kong and People’s Republic of China geographical segments. Its products include plate-type DeNOx catalysts and ship DeNox catalysts. The company also provides value-added services such as product testing, technical consultation, analysis of DeNOx operating environment and periodic sampling to its clients. The company was founded in 2010 and is headquartered in Beijing, China.