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The special heavy weight iron can be divided into two categories according to the different molding materials: one is natural mineral sandstone as the main modeling material, the other is the sandstone type, the other is the sandstone type, , Such as melting mold with heavy iron, shell with heavy iron, negative pressure with heavy iron, mud with heavy iron, with heavy-type iron, ceramic-type with heavy iron ; A class of metal as the main casting material, such as metal-type with heavy iron, centrifugal weight iron, road boulder continuous weight iron, pressure with heavy iron, low-pressure heavy iron cast iron to serve the first, Advanced technology, reasonable process and scientific production management, prompt delivery, pay attention to credibility, the implementation of the principle of small profits but quick turnover, with high quality service, first-class service, first-class service, first-class service, In the market enjoy a high reputation. Various models of the fence base stock.
