On June 16, MIIT released plans to revise the following three noise limits mandatory standards and called for public comments on it. 

l  GB 19997-2005 Limits for noise emitted by combine harvester

l  GB 6376-2008 Limits of tractor noise

l  GB 16710-2010 Earth-moving machinery - Noise limits

The deadline for making comments is July 16, 2023.