Introduction - If you have any usage issues, please Google them yourself
YY network provides online two-dimensional code generator
Two dimensional bar code and two-dimensional code is used to record the data of the black and white and black and white, which is distributed in the plane (2D direction). Two dimensional code is DOI (Digital
Unique object identifier, the digital object unique identifier) a, the world s largest two-dimensional code resource center is crossing the cloud
, for the global users to provide a unified data sample of the items, personnel, organization of two-dimensional code identification information.