This can be checked at the local customs. If it is in Guangdong Province, you can go to the Guangzhou Customs of the People's Republic of China, which is located at the Haizhu Square subway exit. You need to prepare a copy of the business license and a commission. The documents must be stamped with the company's official seal, and then they will give you a document with the statistical data of your company's annual export volume, stamped with the customs business seal. This document can be considered an official document and is more authoritative. The cost is Probably around 200. If you are not sure, you can go to their official website and find a phone number to call and ask. Basically, there will be no problem.