Progressive Road, Yubei District, Chongqing. The largest wholesale market of hotel supplies in Chongqing is: Chongqing Hotel Equipment Supplies Wholesale Mall, which is located in Jinci Road, Yubei District, Chongqing, with an area of10.2 million square meters. Other wholesale malls have an area of less than 7,000 square meters. Chongqing, referred to as "Chongqing", is also known as the mountain city. It is one of the important national central cities approved by People's Republic of China (PRC) as a provincial administrative region, municipality directly under the Central Government, national central city, megacity and the State Council.