Cangzhou Huafeng Veterinary Medicine Co., Ltd which is set up in 1998 is one of the biggest manufacturer of Choline Chloride in Hebei, China.We can supply Choline Chloride50%,60% Corncob,70%,75% liquid with good quality and competitive price. All the products have passed ISO9001:2000 Certificate and GMP. We have the export rights. If you have any questions, please feel free to let me know . Sincerely