Sinopec electronic invoice can pay attention to the "tax invoice assistant" applet through WeChat, and then enter and maintain information such as invoice header and tax number in advance. At this point, after refueling or purchasing goods, you can quickly issue an electronic invoice.

The billing rate of electronic invoices has been greatly improved, and the operating efficiency of gas stations has also been improved.

China Petrochemical is a trademark that sinopec group applied for registration in China Trademark Office on April 2007 1 1.