国产双飞视频,可在线看的av,92精品国产区在线,一区二区三区黄片A级片

&On May 23, 2018, Li Qingxu, vice president of China Construction Enterprise Management Association and his delegation accompanied by Ji Biao, vice president and Secretary General of Shandong Construction Industry Association, and Zhu Jiuzhou, general manager of the group and Fang Hai, chief engineer of the group, accompanied the investigation. &Li Qingxu visited the group's exhibition hall and building history museum, then came to the group's Construction Industry Park - changdajianke to visit the light wall panel workshop, reinforcement workshop, PC workshop and various PC products, and then had a discussion and exchange in changdajianke. During this period, Li Qingxu talked about his own views on the development of prefabricated buildings. He put forward several suggestions on the development of Changda construction branch of the group: first, to develop prefabricated buildings, we should have differentiated thinking, innovate, and not always follow other enterprises; second, we should learn from the management experience and methods of machinery manufacturing industry, establish an industrial quality management system, and achieve industrialization and trust The third is to pay attention to the information of rural construction. Prefabricated buildings may have good development opportunities in rural construction. &General manager Zhu Jiuzhou said that President Li gave us a lot of guidance in this act, and his views and opinions gave Changda a lot of inspiration and benefited a lot.