In Nanchang, Jiangxi, the weather in September is covered with air-conditioned quilts.

0.4 to 0.8 kg. It is slightly different according to the strength of each person's physique: people with good physique and big temper in summer can choose a thinner quilt with a smaller weight; People with weak constitution choose relatively thick air-conditioned quilts. Nanchang, referred to as "Hong" or "Chang", was called Zhang Yu and Hongdu in ancient times. It is a prefecture-level city and provincial capital under the jurisdiction of Jiangxi Province, an important central city in the middle reaches of the Yangtze River in China and a central city in Poyang Lake Ecological Economic Zone approved by the State Council.