Shanxi Ruixiang Hengda Energy Saving Technology Co., Ltd. was established on August 18, 2020, and is a new refractory manufacturing enterprise. The company is located in Hequ County Industrial Park, Xinzhou City, Shanxi Province, across the Yellow River from Inner Mongolia Jungger Banner and Fugu County of Shaanxi Province. A large amount of coal gangue and fly ash provides enterprises with sufficient and high-quality raw materials. The company has an annual output of 30,000 tons, 50,000 tons of active kaolin, 20,000 tons of fine cast sand powder, 20,000 tons of coke gemstones, and systematically researches and develops silicon-aluminum raw materials such as coal gangue, fly ash, and purple wood sections. It is a modern enterprise integrating light lai stone bricks, castings, kaolin processing and solid waste deep processing. Using local resources, high-quality coal gangue processing, low cost, with solid waste coal gangue, fly ash as the main raw materials, through high temperature artificial synthesis of light mullite products with thermal insulation and energy saving.