QINGDAO HEXIN MACHINERY CO., LTD   Hebei Huanhao Biotechnology co., Ltd.   Hebei Huanhao Biothechnology co.,Ltd   Henan Haofei Chemical Co.,ltd   JIAOCHENG SANXI CHEMICAL CO.,LTD.   Guangzhou Haohai Trading Company Limited   Zibo Aojin Chemical Co., Ltd.   GAOYI ZHENGTONG AUXILIARY FACTORY   QINGDAO RUCHANG MINING INDUSTRY CO.,LTD   BaoJi JiaXin Nonferrous Metal Co., Ltd   paolo ltd   handan city ruitao fastener manufacturing co.,;td   Zhaoqing Huada Wash Raw Material Factory   Henan Haofei Chemical Co., Ltd   Shaoxing Weile Biotechnology Co., Ltd   Pengzhou Maoyuan Biochemical Technology Co., Ltd   Zhaoqing Huada Wash Raw Material Factory   MIANYANG DI'AO PHARMACEUTICAL CO., LTD   shaoxing Shanyu Jiehua Chemical Co.,Ltd   Suzhou GeAo New Materials Co.,Ltd