high-temperature casing, casing temperature, high temperature fire casing, casing heat, fire tube is widely used in metallurgy, electric power, chemicals, shipbuilding, paper industry and other high-temperature, high temperature cable industry excellent cable and pipeline protection materials, products, green energy, is an excellent substitute for asbestos products. Products have been widely praised by customers, while the company's products are exported to Europe, America, Southeast Asia and other countries and regions.