Wedding companies sell them, such as Zhongshan Wedding in Xi 'an and Dongfeng in Ji Fang, both of which are available, and the third floor of light industry mentioned above is also available. I don't know what style of red dress you want. There is a tailor-made clothes shop in Fenxiangdefu Lane, South Street. You can look for it. There are also several companies that specialize in renting and selling dresses and wedding dresses next to Jiefang Road Renrenle.