Unicom collects fees in the letter. What's the charge?

China Unicom is an information subscription and on-demand service based on SMS platform, which can be used by Unicom mobile phone users. "Unicom in the letter" allows Unicom mobile phone users to enjoy life, information, business, entertainment and other information anytime and anywhere through SMS. Unicom's letter service fee consists of communication fee and information service fee. The communication fee is charged when you give an order, each item is 0. 1 yuan; The charging methods of information fee include article-based charging and monthly charging. The cost of each service is different. You can also check the specific charges through the detailed list. Log in to the online business hall/click on the phone bill query > bill query > detailed list query > detailed list of value-added services, and you can find the detailed list of value-added services in the past six months (including the current month).