Beijing releases 41 local standards to help promote hydrogen fuel cell vehicles, etc. Among them, 30 items were formulated for the first time and 11 items were revised.

Promote the achievement of carbon peak and carbon neutrality goals. Help fight the battle to defend the pure land, deepening the construction of a healthy Beijing, accelerating theConstruction of resilient cities, etc., according to the Beijing Municipal Bureau of Market Supervision. The release and implementation will help strengthen the ability training of pure tone hearing threshold testing technicians, improve the technical service capabilities and levels of the capital's occupational health inspection institutions.