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顾秀莲:打造“肥料工业4.0”时代本报讯(记者陈传武)7月21日,中国腐植酸工业协会在北京人民大会堂主办纪念中国腐植酸环境友好产业发展60年暨中国腐植酸工业协会成立30周年庆典大会。
July 21, China Humic Acid Industry Association in Beijing’s Great Hall of the People Memorial Hall to commemorate the development of China’s humic acid environment-friendly industries 60 years and China Humic Acid Industry Association (Reporter Chen Chuanwu) The establishment of the 30th anniversary celebration.