1. The list of A-level taxpayers can be inquired through the official account of "Guangdong Taxation" WeChat, the portal of Guangdong Provincial Taxation Bureau in State Taxation Administration of The People's Republic of China, China, and the bulletin board of the Tax Service Department. 1. Pay attention to the official account of "Guangdong Taxation" WeChat Steps: "Micro Service"-"Convenience Service"-"Tax Credit Inquiry" 2. Login to the portal of Guangdong Provincial Taxation Bureau at People's Republic of China (PRC) State Taxation Bureau (guangdong.chinatax.gov.cn) Steps: "I want to inquire"-"Public service"-"Tax credit information inquiry" 2. Taxpayers at other levels can make inquiries through Guangdong Electronic Taxation Bureau or competent tax authorities. 3. Inquiry steps of Guangdong Electronic Taxation Bureau: "Tax-related inquiry"-"One household inquiry"-"Tax credit inquiry"