Zhengzhou Rongsheng Kiln Refractory Co., Ltd. (a National High-Tech Enterprise) develops and manufactures high-quality aluminate hollow sphere bricks specifically for high-temperature industrial applications worldwide. Made from high-quality bauxite, these bricks boast an Al₂O₃ content exceeding 90%, exhibiting exceptional thermal stability and thermal shock resistance. They can withstand long-term service at extreme temperatures exceeding 1600°C, meeting the safety, energy-saving, and long-life requirements of industries such as the power industry, metallurgy, and petrochemicals. Their unique hollow sphere design significantly reduces weight and improves insulation efficiency, helping customers reduce energy costs and improve kiln operation stability. The company boasts an automated production line with an annual output of 130,000 tons and ISO9001/CE international certification, ensuring the consistent and reliable quality of each batch. These bricks have been exported to over 70 countries and regions, and are widely used in various industrial kiln linings, insulation layers, and energy-saving retrofit projects, making them an ideal choice for customers pursuing green and low-carbon production.
1. High-purity Al₂O₃ content ≥90%, excellent thermal stability, suitable for extreme high temperature conditions.
2. The hollow ball structure design achieves the dual advantages of lightweight and efficient heat insulation, with significant energy-saving effects.
3. Export-grade quality standards, ISO9001 and CE certified, stable and traceable quality.
4. Customized and developed for the power, steel, petrochemical and other industries, suitable for various types of kilns.
5. Support full life cycle technical services and localized solution support.
It is suitable for high-temperature industrial furnace linings, insulation layers, and energy-saving renovation projects, such as glass melting furnaces, ceramic firing kilns, steelmaking electric furnaces, rotary kilns, etc.; it is mainly aimed at customers in the power, metallurgy, building materials, chemical and other industries, and is especially suitable for international market users who have high requirements for the life, energy saving and safety of refractory materials.
