Laizhou Weiyu Refractory Materials Co., Ltd. is engaged in the production, operation, and research and development of calcium silicate products Ordinary calcium silicate board (density: 200-270kg/m3) has an annual production capacity of 10000 cubic meters and a high operating temperature of 1000 degrees. It is mainly used for thermal insulation in kilns in metallurgy, building materials, petroleum, chemical, power, and light industry High density and high strength calcium silicate board (density 800-950kg/m3) is a heat-resistant board specifically used in the non-ferrous metal industry. Its unique structure gives it high strength and can be used for precision mechanical processing of formed products, such as droppers, flow tubes, hot top rings, buffer plates, aluminum/steel liquid flow channels, molds for inner villages and glass industries, etc. Calcium silicate fireproof board (density: 280-450kg/m3) It is used for fire protection of steel beams and columns in steel structures, as well as fire door core panels.