NB is the only supplier engaging in drafting new National Standard of Choline Chloride in China. We are professional supplier of Feed Additives,with the annual production capability of 200,000 tons Choline Chloride, 40, 000 tons Threonine and 1,500 tons Vitamin B2 and the exporting quantity of Choline Chloride takes over 50% of total sales quantity, which accounts for 30% of total quantity exporting from China.