... improve the meat egg quality, reduce the feed consumption Introduction: vitamin B4, Corn Cob, choline chloride manufacture, ... 20%Trimethylamine remnant allowance≤300PPMAnalytic methodHG/T2941-2004Function: vitamin B4, Corn Cob, choline chloride manufacture, choline ... of production. vitamin B4, Corn Cob, choline chloride manufacture, choline chloride factory choline chloride 50% - 60% feed grade (Corn ...