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Tianjin Kechuang Pharmaceutical Intermediates Technology Productivity Promotion Co., Ltd. is a company that integrates industrial production, scientific research and development, and self operated import and export sales of pharmaceutical raw materia
Weifang Tongrun Chemical Co., Ltd. is located in the beautiful and rich Shandong Peninsula, in the Bozhuang Chemical Industrial Park of the Bohai Economic Belt, between the beautiful coastal city of Qingdao and the international kite city of Weifang,