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 VitaminB2.and the exporting quantity of Choline Chloride takes over 50% of total sales quantity,which accounts for 30% of total quantity exporting from China.BRAND: NB PRODUCTS: Choline Chloride50%、60%、70% Corn Cob Feed Grade Choline Chloride50% Silica Feed Grade Choline Chloride70%、75% Liquid L-threonine Feed Grade Vitamin B2(Riboflavin) Feed Grade