According to the query of Hongsheng Advertising Network, the three-dimensional characters with base are generally made of metal, mainly three-dimensional landing characters with iron double finish, and the size of the characters is larger than that of the indoor ones. Characters are generally over 60cm, the common specifications are 1 m, and the production thickness is 10cm and 20cm.

Common metal materials are stainless steel, iron, gold, silver, copper, aluminum, zinc and so on. These metals and alloys are widely used, not only in pots and pans, decorations and jewelry in daily life, but also in other fields such as electronics, automobiles, architecture and industry.