2017年11中国商品混凝土行业企业专家委员会第四届第一次会议在山西临汾拉开序幕。11月4日上午10:00,中国商品混凝土行业企业专家委员会第四届第一次会议召开,100余位委员会委员参加了此次会议。中国商品混凝土行业企业专家委员会秘书长、建筑材料工业技术情报研究所混凝土技术发展中心主任孙继成主持会议。中国商品混凝土行业企业专家委员会副秘书长汪军对委员会做了2017年度工作汇报。详细介绍了一年来 2017 The first session of the 4th China Commodity Concrete Industry Enterprise Expert Committee kicked off in Linfen, Shanxi Province. At 10:00 on November 4, the first meeting of the 4th member of the Committee of Experts on Commercial Concrete Industry in China was convened. More than 100 committee members attended the meeting. China Commodity Concrete Industry Enterprise Expert Committee Secretary-General, Building Materials Industry Information Technology Institute of Concrete Technology Development Center Sun Jicheng presided over the meeting. Wang Jun, deputy secretary general of China Commodity Concrete Industry Enterprise Expert Committee, reported on the work of the committee for 2017. A detailed introduction of the past year