Liaocheng Yungu International Trading Co., Ltd.: The company mainly produces aluminosilicate refractories, which are widely used in exterior wall insulation, decoration and sound insulation, electric power, petrochemical, metallurgy, shipbuilding, aerospace, central air conditioning and other industries. At present, the company has 12 advanced wire throwing, injection and vacuum production lines, with an annual output of more than 8000 tons of ordinary.