The contracts are cumulatively worth $2.08m and will also include the implementation of a volatile organic compounds control system for a chemical workshop.
Tri-Tech Holding chairman and joint CEO Warren Zhao remarked that the contracts testify the progress made by the company in the third quarter of the 2012 fiscal.
Further elaborating on the progress of the company Zhao added, "The expansion phase of the Ordos Water Treatment Plant is well under way, and we currently expect the trial operation of water treatment to start in November.
"We further anticipate that collecting 50% of the total cost and proceeds for the initial phase by the end of 2012.
"The Bihar Sewage System projects progressed remarkably as we recently completed all regulatory procedures required by the Reserve Bank of India."
The company is expected to complete the seven Chinese projects by the end of 2012 and generate revenue from its Indian projects on a continuous basis.