AUX International Holdings Limited (2080.HK) is an investment holding company primarily engaged in the manufacture and sale of air conditioners and related products in China. The company offers a range of residential air conditioners, including window-type, split-type, and floor-standing units under the AUX brand; commercial air conditioners such as cassette-type, duct-type, and fresh air units; and complementary products like air purifiers, dehumidifiers, and water chillers. AUX International Holdings Limited also provides after-sales services, including installation, maintenance, and repair for its HVAC products, targeting residential, commercial, and industrial customers primarily in mainland China, with selective distribution in Hong Kong and overseas markets. Founded in 1996 and headquartered in Ningbo, Zhejiang Province, China, the company operates through subsidiaries focused on research and development, production, and sales channels. In recent developments, AUX International Holdings Limited expanded its production capacity through a new manufacturing facility in 2024 and formed a strategic partnership with a leading semiconductor supplier for advanced compressor technologies in early 2025; additionally, it launched a new line of energy-efficient inverter air conditioners compliant with updated national standards and completed a minor acquisition of a regional distributor to strengthen its southern China market presence.