Sunrain(stock code 603366) as China biggest supplier of heat pump and hot water system, is a high-tech company which specializing in researching, manufacturing and marketing of renewable products. The business scope of the company involves swimming pool heat pump, heat pump water heater, heating&cooling heat pump, swimming pool heat pump, EVI heat pump, inverter heat pump, and water tank, which can meet the different demands from industrial, commercial and residential application. With the core value of ”Integrity, Responsibility, Appreciation”, the development concept of ”Healthy and sustainable”, Sunrain takes the social responsibility actively, promotes new energy products worldwide and insists donating itself to the society’s harmony and sustainability. Sunrain always trys its best to fulfill the mission of ”let sunshine change life, and let green color return to the world”.