30 pieces. Jiangxi, referred to as Gan, is one of the 23 provinces in China and its capital is Nanchang. Jiangxi is located in southeastern China, on the south bank of the middle and lower reaches of the Yangtze River, and belongs to the East China region. The maximum number of characters in Jiangxi's personalized signature is 30 characters. This is because there is no way to limit the number of characters in a personalized signature. The upper limit can only be 30 characters according to regulations. Personalized signatures have a word limit, and you can’t write more than a few dozen words. This is a normal phenomenon and prevents some people from writing too much and causing Tencent server lag.