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1973年3月28日到4月3日黑龙江省在鸡西滴道洗煤厂召开了全省洗煤厂滴道现场会议。参加会议的有:黑龙江省煤管局、鸡西、鹤岗矿务局有关领导同志,各洗煤厂的有关领导和技术检查、洗煤、浮选、干燥、机电等车间、科室的同志,鸡西煤校、开滦煤研所也派同志参加了会议,会议还邀请了鞍钢驻在组同志参加,共计96人。
March 28, 1973 to April 3 Heilongjiang Province in Jixi drop Road Coal Washery held a coal washing plant in the province on-site meetings. Participating in the meeting are: leaders of Heilongjiang Coal and Metallurgical Bureau, Jixi and Hegang Mining Bureau, relevant leaders of all coal washing plants and comrades of technical inspection, coal washing, flotation, drying, electromechanical and other workshops and departments, and Jixi Coal Mine School , Kailuan Coal Research Institute also sent comrades attended the meeting, the meeting also invited Comrades in Anshan Iron and Steel Group presence, a total of 96 people.