What is the Dalian Pearl Card number?

16 bits. In Dalian, the Pearl card number and bank card number are the same, 16 digits. Dalian, a prefecture-level city, sub-provincial city, separately planned city, and megacity under the jurisdiction of Liaoning Province, is an important central city, port and scenic tourist city on the northern coast of China approved by the State Council, and a central city in the Liaoning Coastal Economic Belt.