Founded in 1984, Hangzhou Donglou Bio-nutrient Co., Ltd. specializes in the production of choline chloride. Donglou possesses advanced facilities, strong technical strength and complete testing instrument and various indexes of its products reach the standard of HG2941-1999. Donglou has an annual capacity of 20,000 tons and its major products include crystal, aqua and 50 % powder of choline chloride and allicin powder etc. These products have reliable quality featured with not mildewing and rott...