Sun Art Retail Group Limited, an investment holding company, operates brick-and-mortar stores and online sales channels in the People's Republic of China. The company operates hypermarkets, super stores, and membership stores under RT-Mart, RT-Super, and M-Club brand names. It also provides consulting, investment, procurement centre, wholesaling, and retailing services. Sun Art Retail Group Limited was formerly known as Sun Holdings Greater China Limited and changed its name to Sun Art Retail Group Limited in May 2011. The company was founded in 1998 and is based in Shanghai, China.