2004年9月16日,中国建材集团旗下的浙江巨石集团公司年产6万t无碱玻纤池窑拉丝生产线在浙江桐乡点火。项目投资6.5亿元,建造厂房11万m2,安装各类设备2000台套。采用纯氧燃烧技术,熔窑每平方米熔化量达到2t,明显高于国内通常的1.4t的标准;全部采用4000～6000孔的大漏板技术;采用 September 16, 2004, China Building Materials Group, Zhejiang Jushi Group with an annual output of 60,000 t E-glass fiber pool furnace drawing production line in Tongxiang, Zhejiang ignition. The project investment 650 million yuan, building plant 110,000 m2, the installation of various types of equipment 2000 sets. The use of pure oxygen combustion technology, melting furnace melting amount reached 2t per square meter, significantly higher than the domestic standard of 1.4t; all using 4000 ~ 6000 holes of the big drain board technology;