穆棱县房产局开发墙体材料新产品面对风云变幻的建筑市场，黑龙江省穆棱县房产局从市场需求出发，探索开发出墙体建筑新型产品—一浮石火山渣空心砌块。产品投入生产以来，受国拥户的青睐。穆棱县房产局对建筑市场所需材料进行了考察论证，在省低温建筑科学研究所协助指导... Muling County Real Estate Bureau develops new products for wall materials. Facing the ever-changing construction market, the Muling County Real Estate Bureau of Heilongjiang Province has explored and developed a new type of wall building--Pumice Craters Hollow Block. Since the product was put into production, it has been favored by the country’s households. The Muling County Real Estate Bureau conducted inspections and demonstrations on the materials needed for the construction market, and assisted in the guidance of the Provincial Institute of Cryogenic Buildings...