A method for resource regeneration from hazardous waste, ZL201810171721.7

A full-path separation method for metals with different values, ZL201610058342.8

A wet chemical process for processing complex materials of copper, nickel, tin, and antimony, ZL201611154135.9

A process for recovering copper, zinc, tin, and lead with the side blown converter at the bottom, ZL201210454606.3