On Mar. 14, 2018, China CNCA announced the details of registration renewal for overseas infant formuliron glycinate chelate elemental irona manufacturers. Registration is valid forrx iron pills 4 years, and enterprises shall alow ferrous sulfatepply for renewal and submit materials to CNCA (Certification and Accreditation Admijamieson ferrous fumaratenistration of the People’s Republic of China) one year before the ferrous sulfate 44 mg/5mlexpiry date.