我国建材行业从 1999年起至今已组织实施了 2 0个国债技改项目 ,总投资达 4 2 .9亿元。投资项目一部分集中在改造传统产业 ,一部分集中在一些市场前景看好的产业。当前呈现出五大投资新热点 ,分别是木材、外墙材料、门窗材料、管道材料和填缝材料建材行业五大投资新热点 Since 1999, China’s building material industry has organized and implemented 20 technological transformation projects of treasury bonds with a total investment of 429 million yuan. Part of the investment projects focus on the transformation of traditional industries, some concentrated in some promising market industries. Currently there are five new hot spots for investment, namely, wood, exterior wall materials, door and window materials, pipe materials and caulking materials, building materials industry, five new hot spots for investment