The co***ny with Guangdong machine and electric college research the heat pump technique that from America. And unite the intelligence control technique of the top level researched the air source heat pump and water source heat pump. Whose saving energy with efficient and quality is on the tops and appearance looks attractive and have taken the fancy of the public. It also acquires the No.1 prize; the national science and technology progress; the national invention gold prize; The national practicality and...