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Weifang Zhenfei Chemical Import & Export Co., Ltd is a modern scientific research company specialized in the marketing of impurity reference substances, APIs, technology transfer and pharmaceutical raw materials. Since the establishment, the company has been committed in talent innovation, technological innovation, management innovation and market innovation. The company has strong technical force, complete product inspection methods and quality assurance system. We established long-term cooperative relationship with a number of domestic and foreign research institutions and universities to constantly develops and researches new products to m... [Click for detail]