Langfang Fuerda Chemical Building Materials Co., Ltd. is located in Langfang Dacheng and was established in 2005. It is one of the earliest green insulation building materials enterprises in North China. Its products include glass wool, rock wool board, ceramic fiber blanket, aluminum silicate products, and exterior wall composite insulation board, which are exported to Europe, Asia Pacific, North America, and the Middle East. The pre fiber electric melting furnace for ceramic fiber spinning, the centrifugal fiber melting furnace for rock wool, and the solidification and drying process for insulation boards all involve specialized power supply equipment. Yinhe Tebian provides transformers and power supply for Fulda ceramic fiber electric melting furnace, wire spinning production line, and solidification drying electric heating process.