How to send a message to a mobile phone with a China mobile number?

Going upstairs is the way to make a phone call, right

When sending a text message, you can add "+852" before the Hong Kong mobile phone number, and the plus sign inside is usually obtained by pressing "0". For example, if you send a message to Hong Kong mobile phone 98765432, please put "+85298765432" in the other party's number before sending it. Please confirm that the package you use allows sending international short messages. The cost for all brands of Guangdong Mobile to send international short messages is 1 yuan/article.