根据国家有关产业政策，进一步加快发展新型墙材，切实推进住宅产业现代化，国家有关部门已公布了首批住宅建设推荐新产品。这批新产品分为四大类：一是外墙材料；二是非承重内墙材料；三是保温材料；四是建筑门窗。一、外墙材料：１砼空心砌块（含多排孔或双排孔，空心... In accordance with the relevant industrial policies of the country, to further accelerate the development of new types of wall materials and effectively promote the modernization of the housing industry, the relevant state departments have announced the first batch of recommended new products for residential construction. This batch of new products is divided into four major categories: First, exterior wall materials; second, non-load-bearing interior wall materials; third, insulation materials; and fourth, building doors and windows. First, the wall material: 1 hollow block (including multiple rows of holes or double row holes, hollow ...