上海世易科技有限公司

  • 供应商类型:生产商
  • 国家/地区:中国

eChinaChem is a professional integrated media committed to provide website, publications, conferences, data service in chemical and medicine industry. The products and services of eChinaChem include: website(www.360guanxi.com), publications(《Buyers' Guide》), show daily and Ads agency service for (C&EN), Informex USA, BIO, and CPhI, etc. Besides … 更多

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