7901.11 Zinc not alloyed unwrought containing by weight 99.99% or more 7901.11.00 D 7901.11.00 A 7901.11.01 B
7901.12 Zinc not alloyed unwrought containing by weight less than 7901.12.00 D 7901.12.10 C 7901.12.01 B
7901.12.50 A
7901.20 Zinc alloys unwrought 7901.20.10 D 7901.20.00 A 7901.20.01 B
7901.20.20 B