Now email and snail mail are in use. I personally prefer to use email. For the following reasons, e-mail is much cheaper than snail mail, which means it can be used for more purposes.
For example, you don't see many jokes forwarded to you, which is obviously much faster than snail mail after email, which means that communication can happen more quickly and writing becomes more conversational So now you don't need to package a month's information into a single letter, because you can exchange only multiple e-mails, which can be sent to multiple groups, and a letter can be copied and sent to multiple people, which rarely leads to the kind of group exchange between e-mail and mailing lists, answering all and other collaborative technical features.
Thank you for your reply. If you can help me with my English, I will be the happiest person. If you don't mind how long you plan to stay in China and what kind of education you have received, can you tell me how you live and where you live now? There are some differences between the western culture and the eastern culture, sometimes some misunderstandings occur, we need to do so in order to better communicate (I translate what you asked into what you asked, but before you send it, you feel that you should not mention your paragraph any more.
Thank you for your letter. He will stay in the field because of some changes in his work. If you need to interview his previous activities, I can arrange our vice president to accept your interview.
He is responsible for this activity. He will introduce our work and prospects in this field. Thank you and keep in touch.