Wanfang database is free. The Wanfang database of Gansu Library can be browsed for free, and Gansu Library also provides some databases and services that allow paid use, such as microform service and reader inquiry service. Gansu Library is a provincial library in Gansu Province, located at No.2, Keji No.1 Road, Yanbei New District, Lanzhou City. It is the only provincial library in Gansu Province. Its main task is to collect, sort out, keep and popularize all kinds of knowledge documents, and provide efficient and high-quality literature information services for social and academic researchers in Gansu Province.