cangzhou tianyu feed additive co.,ltd.: we are specializes in production and marketing feed additives and veterinary pharmaceuticals. Now we can supply Choline Chloride, Yeast Powder Allicin, Betaine , Bacillus subtilis, DDGS. All the products are strictly under the supervision of ISO9001:2000 alongwith its advanced equipment and modern control system, which have been sold very well domestically and overseas , especially Choline has exported to Europe, Africa, Middle East, Southeast Asia and South America . The high quality and competitive ...