AJ Advance Technology Public Company Limited, together with its subsidiaries, engages in the wholesale and retail of electric appliances under the AJ brand in Thailand. It retails and wholesales audio and visual products, home appliances, mobile phones, and accessories. The company also provides top-up services for prepaid phone and service prepaid kiosks. In addition, it is also involved in the distribution of sport shoes; retail of top-up machines; logistic and export business, including TV drama programs and other entertainment media businesses; and provision of e-money services and accept payment through electronic methods. The company was formerly known as Crown Tech Advance Public Company Limited and changed its sport shoes name to AJ Advance Technology Public Company Limited in June 2017. AJ Advance Technology Public Company Limited was founded in 2001 and is headquartered in Bangkok, Thailand.