The content of the B-site Unbounded Card interface is that you can enjoy overdraft consumption within the limit, and it is a gold card-level credit card. The nature of points is comprehensive points, with 1 yuan spent earning 1 point, except for consumption types that do not count points, and are valid for 5 years. China Construction Bank Bilibili Unbounded Credit Card is a co-branded credit card product jointly issued by China Construction Bank and Huandian Technology (Shanghai) Co., Ltd., mainly targeting young customers. It issues standard platinum cards and student cards.