1. The business mainly operates in Ho Chi Minh City, Vietnam. Its core business is recycling and selling used computers, mobile phones, tablets, and other electronic products, as well as enterprise equipment liquidation. 2. In the electronics recycling industry, it is a local service provider. Competitors include other local recyclers and second-hand platforms. 3. The brand terms on the official website are "Đại Tôn" or "congtydaiton".