It is one of the top ten brands of intelligent fresh air system, participated in the formulation of a number of industry standards, and is a high-tech enterprise integrating scientific research, production, sales and service

Shenzhen Hall Fresh Air Technology Co., Ltd., a high-tech enterprise integrating scientific research, production, sales and service, a leading brand in the intelligent fresh air industry, has a market-leading fresh air brand of "Kinghonor", "Hall" and "Jinxin", with nearly 100 scientific research personnel and more than 500 employees, with strong production and research and development capabilities, Hall Fresh Air and Peking University, Ocean University, City University of Hong Kong and many other well-known university laboratories at home and abroad to carry out technical cooperation, and to achieve a number of technological achievements transformation, The company has nearly 70 patents, including more than 12 invention patents, and has led and participated in the drafting of a number of national and industry standards.

With strong technical accumulation and complete production management system, as of 2017, Kinghonor products have been exported to nearly 100 countries and regions around the world, and have been unanimously recognized by customers around the world. Among them, the launch of fresh air system products has created a precedent for intelligent after-sales service systems for home appliances.