Directly affiliated to China Airlines. Anhui Jianghuai Aviation Oxygen Supply and Refrigeration Equipment Co., Ltd. was founded in 1974 and is the earliest domestic manufacturer of household air conditioners. "Swan" brand air conditioners were once among the top ten famous brand products in China for the first time. They have been rated as "Recommended Products by the China Consumers Association" for five consecutive years, and are "National Customer Satisfaction Products", "Famous Trademarks of Anhui Province", and Famous Brand Products of Anhui Province. In 1989, the integration of advantages has now formed the largest military air conditioner production and R&D base in China. In 1996, it passed the national military product quality assurance system certification. The main products include two major categories and more than 120 varieties