Tri-Tech Holding Inc. designs customized sewage treatment and odor control systems for China`s municipalities and larger cities. These systems combine software, information management systems, resource planning and local and distant networking hardware that includes sensors, control systems, programmable logic controllers, supervisory control and data acquisition systems (SCADA). The company also designs systems that track natural waterway levels for drought control, monitor groundwater quality and assist the government in managing its water resources. The company is also moving into the industrial safety and pollution control market.