That is, the maximum overdraft and cash withdrawal allowed by China Construction Bank Credit Card is RMB 20,000. According to relevant information, China Construction Bank (referred to as Construction Bank or CCB, originally named People's Construction Bank of China, and renamed China Construction Bank on March 26, 1996) was established on October 1, 1954 (Jiawu Year). It is a joint-stock company Commercial Bank is one of the five largest state-owned commercial banks. The main business areas of China Construction Bank include corporate banking business, personal banking business and treasury business.