AL-KO Air Treatment Technology (Suzhou) Co., Ltd. was established in Taicang City, China in 1998. It is a wholly-owned subsidiary of AL-KO Group in China. It is mainly responsible for the production and sales of products in the Asia Pacific region, as well as providing professional air treatment solutions. ATX's AT4, AT7, and AT4-Marine series of unit products are widely used in pharmaceutical, hospital, laboratory, industrial, electronics, automotive, utility/commercial, marine and other market segments.

Since its inception, AL-KO China has introduced Germany's most advanced automated production equipment to maintain product quality and standards that are consistent with the German headquarters. AL-KO is the first manufacturer of air-conditioner boxes in Europe to implement European Eurovent certification. It is committed to providing the most professional services for China and the Asia-Pacific region, focusing on low energy consumption, low operating costs and more environmentally friendly air treatment solutions while ensuring customers' cleansing needs. The most practical and convenient air handling service.