Hengshui Zhenghe Medical Equipments Sales Co., Limited   XINXIANG LEER FILTER CO., LTD   Henan Huize Bio-engineering Co.,Ltd   Hengshui JIAHEYUAN agricultural Co.   Hebei Huiqin Import & Export Trading Co.,Ltd.   Bhuiya Multipurpose Agro Farm   Puyang Huicheng Electronic Material Co., Ltd   Ningxia Huiheng activated carbon Sales Co. Ltd.   Hengshui Jiahe Agriculture Materials Co., Ltd.   ANHUI BBCA PHARMACEUTICAL CO., LTD   Puyang Huicheng Electronic Material Co. Ltd   Hebei Huiqin Import and Export Trading Co., Ltd.   University of Leeds   WUXI XINHUI   changsha huir   hebei maohui science co.,ltd   hebei maohui biotechnology co.,ltd   Nangong Huizhong Felt Co,.Ltd   Hunan Hui Bai Shi Biological Technology Co.,Ltd   Anhui Deep Blue Medical Technology Co., Ltd