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About Us

Located in Weifang City of Shandong Province, Weifang Siyuan Chemical Co., Ltd. is a new high-tech, comprehensive and modern chemical enterprise integrating new materials, pharmaceutical intermediates, fine chemicals and biotechnology. Now, our business scope covers pyridines, Pyrazoles, Thiophenes, Toluene, Chloride, Fluoride and other series; at the same time, we also provide technical consultation, technical services, technology transfer, custom synthesis, OEM and contract-manufacturing service.

Siyuan has been taking "customer first, service supreme, quality first, and credit first" as business tenet since our foundation. We are willing to cooperate with new and old customers to achieve a mutual-benefited and win-win situation.

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