You do know the source you cited is from 2018, right? China's food security took a hit in 2022 as mentioned in multiple sources that I cited. Today China’s self sufficiency rating
Dipped to 65%~ this year alone, trying to turn mountainsides into rice fields, rural workers moving to countryside and the fact three typhoons ripped through Hubei and other rice and wheat producing provinces, China is more dependent on the west since Jimmy Carter days and their economy, crashing RMB and high unemployment rate certainly doesn't help.