SmartHeat Inc. (SmartHeat) is a designer, manufacturer and seller of clean technology plates heat exchangers and related systems marketed principally in the People�s Republic of China (PRC). The Company's products are used in the industrial, residential and commercial markets to improve energy utilization and efficiencies, and to reduce pollution by reducing the need for coal-fired boilers. It designs, manufactures, sells and services plates heat exchangers (PHEs), PHE Units, which combine PHEs with various pumps, temperature sensors, valves and automated control systems in systems custom designed by its own in-house engineers, heat meters and heat pumps for use in commercial and residential buildings. It also designs, manufacture and sells spiral heat exchangers and tube heat exchangers. It sells its products under its SmartHeat and Taiyu brand names and also sells PHEs under the Sondex brand name as an authorized dealer of Sondex PHEs in China.