Days before, Anyang City released Adjusted Measures for Orange Warning for Heavy Pollution Weather. Time: begin at 20pm, 22th November Requirements: 1. Anyang Steel: on the basis of staggering production, one sintering machine is shut down and two blast furnaces are squeezed production loads; the whole millâ??s crude steel production shall be controlled within 9500 tons; pollution control equipments shall be operated at normal pace; ammonia usage amount shall not exceed planed amount. 2. Other steelmakers in Anyang City: all sintering machines are shut down and blast furnaces are synchronously cut production load on the basis of staggering production.