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the third china-canada crop protection seminar and product show it has been formally certified by iso 9001:2008 quality management system standard. shuixiang bamboo rhyme around cuiling leaders of agricultural departments of provincial departments visited our company's mengzhou industr one-year anniversary of gibberellin production and biopesticide and fertilizer of nongda biochemical postgraduate students from henan agricultural university visited nongda biochemical company for stud

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