With the protective tariffs ferrous bisglycinate vs ferrous bisglycinate chelateon milk powder expiring on Deceferrous lactate molecular weightmber 31, 2023, all New Zealand dairy products can now enter China without duty starting from January 1, 2024, marking the full completion of the phased iron 2 fumaratetariff reductions agreed in the frferrous sulfate eceferrous gluconate pharmacological classe trade agreement.