Kaifeng Huarui Chemical Material Co., Ltd   kaifeng jiancheng imp and exp co.,ltd.   Xinxiang Huarui Fine Chemical Co.,ltd   Tianjin Kaifeng Chemical Co.,Ltd   Xi'an Huarui Bio-Engineering Co., Ltd   Kaifeng planck bio-chemical Co.,Ltd.   Huanghua Kaifeng Chemical Co.Ltd   Jiangsu Huarui Chemical Industry Co. Ltd   CHINA KAIFENG CHEMICAL CO.,LTD.   Xi'an HuaRui Bio-Engineering Co.,Ltd   TianJin KaiFengshun Chemical Cor. Ltd   kaifeng jiancheng trade co.,ltd   Huanghua Kaifeng Chemical Co.,Ltd   Tianjin Kaifengshun Chemicals Co.,Ltd.   Xi'an Huarui Bio-Engineering Co., Ltd.   tianjin kaifengshun chemicals co.ltd   Tianjin Kaifengshun Chemical Co.,Ltd   Laohekou Huarui Chemical Co.,Ltd.   Tianjin Kaifeng Chemical Co., Ltd.   TIANJIN HUARUIDE INTERNATIONAL TRADING CO LTD