In 1984, the Sintered Bauxite Plant in Dakou Township, Yanshi County was completed and put into operation.
In 1993, Yanshi Guangming Refractory Material Factory was completed and put into production.
In 1995, the company cooperated with Wuhan University of Science and Technology and successfully developed a series of mullite products.
In 1998, the company passed the ISO9001 international quality system certification.
In 1999, the company obtained the right to import and export.
In 2000, mullite series products were exported to Japan, South Korea and Western Europe in batches, and the export volume of mullite reached more than 5,000 tons.
In 2000, the company built the second mullite production line.
In 2000, Yanshi Guangming Hi-Tech Refractory Material Factory was renamed Yanshi Guangming Hi-Tech Refractory Products Co., Ltd.
In 2001, the high-end kiln furniture production line was completed and put into operation.
In 2002, a scientific and technological research and development center will be built, on the one hand to promote the technological progress of products, on the other hand to scientifically and effectively control product quality.
In 2003, the company's total output reached 23,000 tons, including 14,000 tons of mullite, 6,000 tons of high-quality alumina bricks, and 3,000 tons of high-end kiln furniture.
In 2004, the company's high-end kiln furniture has been sent to Ukraine, France, Britain, Austria, South Korea, Taiwan and other countries and regions.
In 2005, invested in a high temperature tunnel kiln of 1800℃ and 110 meters.
In 2006, the newly-built 1800℃ 110m high temperature tunnel kiln and 3 wet production lines were successfully put into operation, which greatly improved the company’s product quality and output. The total output reached 28,400 tons: of which 20,000 tons of mullite and 6,000 high alumina bricks Tons, 2,400 tons of high-end kiln furniture.
In 2006, it successfully developed synthetic mullite, magnesia-aluminum spinel and other high-end materials.
In 2006, it was rated as "High-tech Enterprise in Henan Province" and "High-tech Product in Henan Province".
In 2008, a 1800℃ high-temperature rotary kiln production line was invested, which increased the production of raw materials by 40,000 tons.
In 2009, natural gas was successfully connected in early January. Product quality is further improved.
In 2010, a 120-meter 1700℃ high-temperature tunnel kiln production line was put into construction, which increased the production capacity by 30,000 tons.
In 2014, it successfully developed energy-saving materials such as lightweight spherical mullite aggregates and lightweight aggregates, and obtained patents.
Since 2000, the company has been rated as one of the “Top 50” enterprises in Luoyang for 11 consecutive years.
Address: Industrial park of Dakou Town, Yanshi City, HenanProvince, China