Production of powder filler are: ultra-fine barium sulfate, barium sulfate modified ultra-fine, mica, magnesium strong powder, calcium carbonate, talc, high optical calcium, calcium extinction, high light barium, barium extinction, precipitated barium sulfate, calcined kaolin, Featured washed kaolin, titanium dioxide, lithopone, ultra-white light calcium carbonate and so on. Widely used in the following: plastic, paint, plastics, rubber, powder, wires, cables, paint, ink and other industries.