Fast Retailing's expanding operations in China are to be supported by scalable IT solutions from Retek Inc it was revealed on Tuesday. The group is one of Japan's largest retailers, and opened its first two Uniqlo stores in China on 30 September. Retek solutions will form the backbone of its global retail information technology (IT) infrastructure, and will serve as the platform for Fast Retailing's Japan operations as well as all new countries of entry.