Changchun Qi Long Clothing Design and Development Co., Ltd. sells heating vests in the sales department. According to relevant public information, the sales department of Changchun Qi Long Clothing Design and Development Co., Ltd. mainly deals in lithium batteries, electric vests, electric knee pads, electric insoles, electric bedsheets, electric waist protectors, electric cotton trousers, heating bedsheets, electric clothes, electric vests and other products. Address: No.508, Zhongshan Building, Hongqi Street, Chaoyang District, Changchun, Jilin.