3月29日至31日中国建筑业联合会集体建筑企业协会第二届理事会1990年年会在兰州市召开。出席这次会议的有全国集协第二届理事会理事,各省、自治区、直辖市和计划单列市集体建筑企业协会秘书长,协会各研究会、秘书处各部和深圳、益阳培 From March 29 to 31, the Annual Meeting of the Second Board of Directors of the China Association of Construction Enterprises Collective Construction Enterprises Association was held in Lanzhou City. Attending the meeting were the members of the 2nd Council of the National Association of Trade Unions, the secretary-general of the collective construction enterprise associations of various provinces, autonomous regions, municipalities directly under the Central Government and cities under separate planning, the association’s various research institutes, various departments of the Secretariat, and Shenzhen and Yiyang Pei.