In 2017, China implemented aferrous fumarate recommended dosage dual track system to regulate the market access of imported health food. The system allows importeclassification of ferrous sulfated products to enter the Chinese market by filing or registration with SAMR. Since then, every year dozens of imported products entered the market successfully.ferrous sulfate iron supplement However, due to strict barriers, the registrationferrous fumarate liquid bnf approval for imported health food became stagnant juferrous fumarate and folic acid tablets during pregnancyst one year after its implementation. As a consequence, product filing becomes the only way that actually works for imported products when exporting to China.