Founded in 2010, Shanghai Tongjie Environmental Protection Technology Co., Ltd. is headquartered in Jiading District, Shanghai. Tongjie Environmental Protection is a technology-based enterprise integrating technology research and development, design, manufacturing, engineering implementation, and operational services based on water treatment technology. After more than ten years of development, Tongjie Environmental Protection has won the trust of a large number of customers based on its technical strength, management level, and service quality. It possesses Level III qualifications for environmental protection contracting and electromechanical installation contracting. The company has long focused on the research and development of core technological processes in the water treatment field, and has successively obtained more than 10 national patents and software registration patents, quality system certification, environmental management system certification, high-tech enterprise certification, membrane industry association member certification, garbage leachate industry association member certification, and other certifications. Tongjie Environmental Protection's business covers areas such as purified water, zero discharge of industrial wastewater, industrial desalination, seawater desalination, and coal chemical coking wastewater.

The company has an experienced construction and operation team with a complete qualification system to ensure the safety, efficiency, and stability of the project. Its cumulative achievements in engineering and equipment have reached over 800 projects. From equipment supply to EPC project contracting and project hosting and operation, Tongjie Environmental Protection has always been committed to becoming a service provider for environmental engineering solutions.