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What biotechnology companies are there in Yinan that are engaged in urine treatment for pregnant women?

Including Yinan Weijie Technology Development Co., Ltd., Yinan Hynix Pharmaceutical Co., Ltd., Yinan Yuanpin Kangbao Jianpin Co., Ltd. ... These companies are engaged in research and development and production related to pregnant women's urine treatment, which have been widely recognized and praised in domestic and foreign markets. Protecting the environment and recycling waste materials have become an irreversible trend. Huaxing Biotechnology was established on April 23, 20 15, and is a company specializing in human urine recovery.