Dongan is a comprehensive import and export enterprise, manufacturing and dealing in biological, pharmaceutical, chemical and intermediates, food additives. has a headquarter in JiNan, with plant facilities in Shandong, Hebei, Anhui, Zhejiang province, We started our journey in the international Market since 1997. Dongan owns regulatory team, has been also actively registering its products with DMF and Dossier in many countries such as Russia, India, Brazil, Indonisia, etc.