Who wrote the contact person of Linyi's filing destination?

When applying for a visa, the destination contact person will have this expression, which refers to the contact person at his destination. In addition to the destination contact, there are also outgoing contacts. Outgoing contacts refer to external contacts, such as customers, upstream and downstream, partners, etc. It is convenient to do business with people outside the enterprise anytime and anywhere. Contact information is the way to find this person, including mobile phone number, landline number, my home address, my work address, email address and so on. With the continuous development and update of information technology, today's contact information is more colorful: QQ number, MSN address, flying signal, email address, mobile phone number, Baidu user name, WeChat and so on. Contact information can be simply divided into: physical address, social software, social networking site, telephone number, etc.