苏州市城建系统广大职工,以阶级斗争为纲,大搞三结合,开展双革活动,积极试制和推广“高效、轻质、多功能”的新型建筑材料和构件,苏州水泥制品厂、煤灰砖厂、人造板厂、砖瓦厂、水泥制品研究所、建筑公司 The employees of the urban construction system of Suzhou Municipality took the class struggle as the key, vigorously engaged in three combinations, launched double-leaf activities, and actively trial-produced and promoted new types of building materials and components that were “high-efficiency, lightweight, and multi-functional”. Suzhou Cement Products Factory and coal ash Brick factory, man-made board factory, brick and tile factory, cement product research institute, construction company