1, Shenzhen Tongli Sewage Treatment Co., Ltd.: Established in 2020, Shenzhen Tongli Sewage Treatment Co., Ltd. is located in Shenzhen, Guangdong Province, and is an enterprise mainly engaged in water production and supply.
2. Shenzhen Zhengding Environmental Protection Technology Service Co., Ltd.: Shenzhen Zhengding Environmental Protection Technology Service Co., Ltd. is located in Langxin Road, Langxin Community, Shiyan Street, Baoan District, Shenzhen, and is engaged in the sales of special environmental protection equipment; Sales of gas-liquid separation and purification equipment; Water pollution control; Water pollution prevention services, etc.