Ling Xin

Huizhou Eighth Sewage Treatment Co., Ltd. engages in the operation of water treatment plants. It provides urban sewage treatment, and water recycling services. The company was founded on March 8, 2010 and is headquartered in Huizhou, China.

Huizhou Ruisaike Water Purification Co., Ltd. engages in the operation of water treatment plants. Its business activities include environmental infrastructure investment, engineering design and construction; industrial and municipal sewage treatment; water recycling; pollution control facilities operations; and project general contracting services. The company was founded on November 24, 2010 and is headquartered in Huizhou, China.

Shanghai Tongwei Environmental Engineering Co. Ltd. engages in environmental engineering, urban construction projects, green energy solutions etc. The company was founded on April 02, 2004 and is headquartered in Shanghai, China.

Shanghai Yangpu Tongji Science & Technology Park Co., Ltd. engages in the computer information, environmental protection, and automotive engineering. The company was founded on May 16, 2001 and is headquartered in Shanghai, China.

Shanghai Tongji Engineering Consulting Co., Ltd. engages in engineering project management and engineering consulting services. It offers early investment decision consultation and evaluation, project management and agent construction, engineering cost consultation, bidding and procurement agency, engineering supervision, engineering technology consultation and management, third-party evaluation and post-evaluation, industry and business consultation, and environmental engineering and green building consultation. The company was founded on August 2, 1999 and is headquartered in Shanghai, China.

Tongji Innovaton & Entrepreneurship Holding Ltd. engages in the function as a foundation or endowment. It specializes in technology development, consulting, services, transfer, contracting, training, intermediary, and shareholding of investment, asset management, civil engineering, chemical industry, biology, and computer technology; and economic information consulting. The company was founded on May 26, 1997 and is headquartered in Shanghai, China.

Shanghai Tonghao Engineering Management Co., Ltd. provides construction project management and consulting services. The company was founded on January 12, 2012 and is headquartered in Shanghai, China.