Handicrafts made of metal materials such as gold, silver, copper, iron, tin, etc., or mainly metal materials and other materials. It has a heavy, majestic, luxurious, elegant and fine style. According to the material, Chinese metal crafts can be divided into gold, silver, bronze (including antique copper, patina, etc.), tin ware, iron paintings, etc. According to the purpose, it is divided into 3 categories: practical goods, display items, and jewelry.