Energy conservation & environmental protection business is among the major business of THHC for investment and operation, which developed rapidly in recent years. Our business include exploitation and utilization of novel energy resources (nuclear and solar, etc.), clean fuel and sewage treatment, and utilization of energy conservation technologies such as geothermal resources and intelligent air-conditioning, etc. Major product series include solar vacuum tubes, water heaters, medical waste incinerators, energy-saving and purified-air air-conditioners, etc..