Zhejiang Hongda Crystal Fiber Co., Ltd. (Hangzhou Hongda Crystal Fiber Co., Ltd.), as a polycrystalline mullite fiber manufacturer specializing in the production of inorganic non-metallic refractory materials, has a high reputation in the industry. The new factory has an investment of 25 million yuan, covering an area of more than 20000 square meters and a total construction area of more than 20000 square meters. Annual production of 500 tons of polycrystalline fiber (crystal fiber, ceramic fiber, aluminum silicate fiber). The surrounding economy of the company is developed, and the excellent external environment has created conditions for the development of the company. The company not only has advanced production equipment, but also has a high-quality management and production team. Through the introduction and digestion of advanced non-metallic materials processing technology and technology, coupled with continuous exploration and innovation, we have now become a senior manufacturer of polycrystalline mullite fiber (PMF) series products. The main technical indicators of polycrystalline mullite fiber have reached the international advanced level, and the application technology of the product has been included in the national "Ninth Five-Year Plan" key project and the national "Ninth Five-Year Plan" key promotion project, and has passed the appraisal and acceptance. The product factory is widely used in high-temperature industrial kilns in metallurgy, machinery, electronics, ceramics, chemical industry, glass and other industries to achieve very obvious energy-saving effects. The energy saving rate is more than 30%, and it is praised as the "energy saving angel" of industrial kilns by the users of the factory ".

As a manufacturer specializing in the production of inorganic non-metallic refractory materials, Zhejiang Hongda Crystal Fiber Co., Ltd. has a high reputation in the industry. The company is located on the beautiful West Lake, with more convenient water and land connections, advanced communication networks, and developed surrounding economic levels. The excellent external environment has created conditions for the company's development. The company not only has advanced production equipment, with more high-quality management and production team, through the introduction and digestion of advanced non-metallic material processing technology and technology, coupled with continuous exploration and innovation, we have now become a senior manufacturer of polycrystalline mullite fiber (PMF) series products. The product factory is widely used in high-temperature industrial furnaces in Taiwan gold, machinery, electronics, ceramics, chemicals, glass and other industries.