AJ Advance Technology Public Company Limited, formerly known as Crown Tech Advance Public Company Limited, is a Thailand-based company engaged in the supply and distribution of electronic appliances. It provides electronic appliances under its own brand, namely AJ. The Company's electric appliances can be classified into two categories, which are audio and visual products, as well as home appliances. The audio and visual products include portable digital video disc (DVD) players, stereo components, speakers, portable radios, home theater equipment, karaoke machines and televisions. The home appliances cover portable air conditioners, refrigerators, washing machines, irons, microwave ovens, electronic boilers, induction stoves, rice cookers, electronic kettles and blenders. The Company distributes its products through modern trade malls, department stores, distributors, resellers and exhibitions.