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国家标准GB/T5031-2008《塔式起重机》自2009年2月1日起实施。为配合GB/T5031-2008(以下简称新标准)的颁布实施,由中国建筑科学研究院建筑机械化研究分院主办的塔式起重机新标准宣贯会于3月28日～30日在河北廊坊举办。宣贯会由建筑机械化杂志社承办。
National Standard GB / T5031-2008 “tower crane” since February 1, 2009 come into operation. In line with the promulgation and implementation of GB / T5031-2008 (hereinafter referred to as the new standard), the new standard for tower cranes sponsored by Construction Machinery Research Branch of China Academy of Building Research will be held in Langfang, Hebei from March 28 to March 30. Publicity will be organized by the construction mechanized magazine.