Enterprise tax service is a professional software tailored for tax authorities (including national tax and local tax) and tax paying enterprises, which integrates the functions of notice and announcement, file sharing, tax consultation and tax source investigation, and integrates the intelligent application system with unified communication ECP function. Enterprise tax pass can be applied through business hall and account manager. For details, please also call 4006065 190 to consult the relevant handling procedures. Broadband service can self-help troubleshooting, which is simple and easy to operate. In addition, you can also handle work order inquiry, ITV troubleshooting, broadband application and password service, which is convenient and fast. For more functions, please pay attention to China Telecom's Guizhou customer service. Customer service 30 will answer your questions.