Baoding Lunda building materials plant dies a very small, very small mold, plays a very important role in our lives, of course, is the outstanding representative of the plastic covers mold, in various construction projects, only to die in the application of building materials production work to bring convenience, this also greatly shorten the construction period, saving construction costs. Memories of the past, covers mold is made of metal out of the first, the ability to turn parts made of plastic and other materials or finished, but we changed the mold manufacturing industry is now reflected in the growing number of daily necessities, not like before so, instead of using the resin molding technology developed in accordance with the digital out, so the production out of the mold with low prices, speed and other advantages, especially three-dimensional mold manufacturing, metal mold more easily compare the price advantage.