黑龙江省佳木斯市地处祖国北疆，无霜期短，因此建筑物保温十分重要。市委一直把墙体材料改革工作作为利国利民的大事来抓，在重点推广以空心砖为主体的墙体材料改革工作上取得了扎扎实实的成绩。现在初步形成了以空心砖为主体，以建筑塑料（PSPG板）、粉煤灰砌块、珍珠岩大型 Jiamusi City, Heilongjiang Province is located in the northern part of the motherland and has a short frost-free period. Therefore, building insulation is very important. The Municipal Party Committee has always taken the reform of wall materials as a major event for the benefit of the country and the people. It has achieved solid results in the promotion of the reform of wall materials that focus on hollow bricks. At present, hollow bricks are preliminarily formed to form building blocks (PSPG plates), fly ash blocks, and perlite