Not a single one.
The Angang Proprietary Technology Award is awarded to those who have obtained the proprietary technology certificate. It is not the person responsible for issuing the certificate. If you want to win the award, you can take the certificate yourself.
He has solved more than 200 production problems, 60 of which have won awards from cold rolling mills and Anshan Iron and Steel. Won 5 national invention patents, 4 proprietary technologies, and 1 international invention gold medal.