The As, Cd, Pb, Hg and F should be according to thestandard of Chinese of
Lead Ore concentrates typical. (As .0.50%, Pb .60%min F . 0.10ppm
Cd .0.05% Hg . 0.01ppm, Bi . 0.5% MgO . 4%).
Thecargo size should be at 100 mm, the less than 5 mm sizecould not be above
20% in the total cargo.