Jiangsu Zhonglei Energy-saving Science and Technology Development Co., Ltd. was founded in August 1985 with a registered capital of 20 million yuan. After more than 30 years of hard work, the company has now become a national high-tech enterprise, an innovative enterprise in Jiangsu Province, Quality credit AA level Enterprise in Jiangsu Province. The company and Tsinghua University have jointly built the social practice base for doctoral students of Tsinghua University, the innovation practice base for enterprises in Jiangsu Province, and the provincial engineering and Technology Research Center for energy-saving refractory materials in Jiangsu Province and the enterprise postgraduate workstation with Nanjing University of Technology.The company has a high-quality technical management team, with 28 professional R&D personnel, including 5 Ph.D. (2 were supported by the Special Fund for the Introduction of Talents of Jiangsu Province's "Double Creative Plan" and 1 by the Special Fund for the Introduction of Talents of Yancheng City's "Double Creative Plan". The company has complete testing equipment and perfect testing means. It has three internationally advanced new intelligent firing high-temperature tunnel kiln production lines. Its annual output is more than 30,000 tons of Anti-carburizing mullite light bricks, matching high-temperature cement and various refractories. It has been a highly contracted and trustworthy enterprise for 22 consecutive years with AAA grade of enterprise credit.