... electroplating, thermal spraying, zinc-rich coating, powder plating, etc.; 4 chemical production: for sodium hydrosulfite (sodium sulfate), lithopone (lithopone), ... carved white block, the main raw material for zinc acid sodium, zinc oxide, etc., as well as organic synthesis ... of the reducing agent; 6In addition, micro-zinc powder, superfine zinc powder is widely used in metallurgical industry, battery ...