Xuanhan Zhengyuan Fiberglass Co., Ltd. is located in Puguang Micro Fiberglass Industrial Park, Dazhou, Sichuan Province. It is a wholly-owned subsidiary of Zaisheng Technology (603601. SH), a national level specialized and innovative "little giant", and a manufacturing industry champion enterprise. The company produces approximately 160000 tons of ultra-fine glass fibers and products annually, including glass microfiber cotton, VIP vacuum insulation board core materials, and aviation sound insulation cotton. The melting of its special glass material blocks and the production of micro glass fibers involve multiple electric heating processes such as electric melting furnaces, drying and curing. Galaxy Transformer provides transformers and power supply support for the electric melting furnace and the subsequent drying and solidification electric heating process of Zhengyuan micro glass fiber blocks, serving the ultra-fine glass fiber new material industry.