Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Traceability information query platform interface. (a) The login interface of the system. (b) The system query information interface. (c) and (d) The interface that can be queried after the supervision department or the supply chain department logs in.
