从有关部门获悉,目前我国已引进中空玻璃生产线近７０条,国内生产的中空玻璃生产设备也在多家企业使用,但中空玻璃的发展还很不平衡,绝大部分生产厂家集中在沿海发达地区。去年,全国中空玻璃的使用量达到５００多万平方米。中空玻璃作为重要建筑节能材料正面临着发展机遇。１９ It has been learned from related departments that at present, China has introduced nearly 70 insulating glass production lines, and domestically produced insulating glass production equipment is also used by a number of companies. However, the development of insulating glass is still unbalanced. Most of the manufacturers are concentrated in coastal developed areas. . Last year, the use of insulating glass in the country reached more than 5 million square meters. Hollow glass, as an important building energy-saving material, is facing development opportunities. 19