Tongxing Environmental Protection Technology Co., Ltd. established in 2006 and listed on the Shenzhen Stock Exchange (Stock Code: 003027), Tongxing Environmental is a leading Chinese provider of integrated solutions for industrial air pollution control, specializing in non-power sectors such as steel, coking, cement, and waste incineration. The company delivers end-to-end services, including environmental engineering EPC (Engineering, Procurement, and Construction) and the production of proprietary low-temperature SCR denitrification catalysts under the "Fangxin" brand, which operate efficiently at 150–400°C with high sulfur resistance. With nearly 200 patents and multiple internationally recognized technologies—such as sintering flue gas low-temperature SCR denitrification (rated "internationally leading")—Tongxing has executed over 700 projects across 30+ provinces. It serves major clients like Asia Symbol (Shandong) Pulp and Paper, Baowu Steel, and the National Energy Group, significantly reducing emissions in industrial sectors.