Leping Safely pharmaceutical Co., Ltd   Liaocheng Yongxing Chemical Co.,Ltd   Tianjin yongxin chemicals co.,ltd   Leping City Yuanda Chemicals Co., Ltd.   wujiangshi yongxing huaxuepin youxiangongsi   Zibo Yongxin Chemical Co.,Ltd   Yongxing Chemical Co., Ltd.   Yixing Taixin Chemical Co.,Ltd.( Yixing Yongxin Chemical Plant)   Leping Zhongsheng Chemical Co., Ltd   Liaocheng Yongxing Environmental Protection and Science Technology Co,Ltd   Henan Lushan Yongxing Phosphoric Acid Chemical Co.,Ltd.   Dandong Yongxing Mineral Co., Ltd.   Beijing Jinghuayongxin Pharmaceutical Technology Company   Beijing Jinghuayongxin Science & Technology Development Co., Ltd.   Weifang Yongxing Chemical Plant   Leping Yongxin Chemical Co.,Ltd.   Leping Qike Chemical Co., Ltd.   Henan Tangyin Yongxin Auxiliary Agent Factory   Xinchang yongxing chemical co.,Ltd.   Leping Zhongsheng Chemical Co., Ltd.