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                关于郎瑞
                  上海朗瑞精细化学品有限公司成立于▂二零零二年,是一家销售化工原料和精细化学品的企业 。专业为︼国内外精细化工、化工研究、食品工业、生物化工、生物保健及基础生化等╱行业,提供质优价廉層次的产品... {更多}
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                [2018/07/06]
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