How to deliver electronic invoices to customers?

It can be sent by communication software such as WeChat or Q, or by email.

If the e-ticket issued is not a pdf file, there is no e-ticket issuing service provider. The role of e-ticket issuing service providers is to format the issuing characters of tickets and provide services such as anti-counterfeiting signature, storage and circulation.

If the e-ticket issued is a pdf file, it means that the e-ticket issuing service provider will usually ask the customer to submit the mobile phone number or email address during the process of invoicing. After the e-ticket is successfully issued, it will directly send the ticket to the customer's SMS or email address.