Onferrous gluconate versus ferrous sulphate July 9, 2019, China General Afer fumarate 300 mgdministration of Customs (GAC) publicized two documents titled Facilitferrous fumarate folic acidation Measures and Rules of Customs Clearance in support of the upcominferrous gluconate liquid supplementg ferrous sulfate 15 mg2019 China International Import Expo (CIIE) in November.[1]