Jinan Asia Pharmaceutical Co., Ltd, established in 1993, to be a high-tech enterprise in Jinan, is a Sino-America joint venture business and well-known in domestic market. The production technology of choline bitartrate, which is one of its leading products, belongs to national spark items. And the production technology and quality for choline bitartrate, choline dihydrogen citrate and betaine hydrochloride have all reached to developped international standard already. It is the largest producer for choline series products in food grade and betaine series products in China. And the leading products are choline series products in medical and food grade, betaine series products and healthcare products. And for the choline bitartrate, choline dihydrogen citrate, choline chloride, betaine hydrochloride and other products it produces have gained good reputations in the world market by their advanced technology and high qualities. And these products are mainly exported to America, South America, Eastern Europe and other areas and countries. It makes the production strictly according to the GMP requirements and all the products have passed the Kosher Certificate already.