2015年5月27日,下午13:30,在山西太原花园国际大酒店三楼多功能会议厅召开了“关于《预拌混凝土搅拌站单方成本计算方法及评价标准》及《混凝土河道清淤泥砂》两个标准的第一次标准编订会议议程”。参加本次会议的有北京新航集团、南方水泥、金隅混凝土等单位约30余人参加会议。会议首先由主办单位北京新航建材集团有限公司聂法 On May 27, 2015, at 13:30 in the afternoon, a “multi-purpose conference hall on the third floor of Taiyuan Garden International Hotel in Taiyuan, Shanxi” was held on “About the Unilateral Cost Calculation Method and Evaluation Standard for Ready Mixed Concrete Mixing Plants” and “Concrete channel dredging ”The mud sands“ is the first standard of the two standards to set the conference agenda.” At the meeting, about 30 people from Beijing Xinhang Group, South Cement, Jinyu Concrete and other units attended the meeting. The meeting was first organized by the organizer Beijing Xinhang Building Materials Group Co., Ltd. Niefa