There are essential differences between the two. The business license number is assigned when issuing certificates, the first six digits are administrative division codes, and the last few digits are basically generated randomly and automatically under certain coding rules. The trademark registration number consists of the serial number at the time of acceptance when applying for a trademark.

Industrial and commercial departments at all levels have established websites. After surfing the Internet, they can find the online service-enterprise information inquiry, enter the business license registration number, and click Inquiry.