Main processes: die casting, casting, engraving (etching), stamping, soft enamel (imitation enamel), coloring (oil-filled), screen printing, glue dripping, offset printing (lithography), polishing, electroplating, zinc alloy die casting, coloring, etc.

The main materials are gold, silver, copper, aluminum, iron, stainless steel, tinplate, zinc alloy, lead-tin alloy, aluminum alloy and so on.