Hangzhou 3King Air-Conditioning Equipment Co., Ltd., established in 2001, is a joint venture. With an easy access to traffic, it is located in the National Xiaoshan Economic and Technongical Development Zone in the South bank of Qianjiang River, Hangzhouo City. The company is specialized in researching, developing, producing and selling the ALH series heat exchanger air processor. The function and quality of products have reached an advanced level in China. The company persists in putting people first and relying on science and technology, develops itself towards the high-tech industry through daring innovation, and coorperates with some scientific research intitutions such as Harbin Institute of Technology to shape its unique scientific research system. By introducing advanced technongy abroad, the ALH heat exchanger air processor produced by the company has past the CE certification and has added several unique functions including ozone sterilization, ultraviolet sterilization, negative ion oxygen enrichment and automatic power-off. Filling the domestic blank, the product has gained several national patents. The company will continouosly offer the client top-grade products and sercices, setting uop a good brand of 3King air conditioner.