... quality and quantity.Specification: vitamin B4, Corn Cob, choline chloride manufacture, choline chloride factoryCharacter: vitamin B4, Corn Cob, choline chloride manufacture, choline chloride factoryTan ... .20%Trimethylamine remnant allowance≤300PPMAnalytic methodHG/T2941-2004Function: vitamin B4, Corn Cob, choline chloride manufacture, choline chloride factoryGenerally classified as one of ...