Taiyuan University of Technology   Zhengzhou XinLian Chemical Tech. Co., Ltd.   Zhengzhou XinLian Chemical Tech. Co., Ltd.   taiyuan qixian co.,ltd   taiyuan qixian co.,ltd   Taiyuan Palrot Chemical Co., Ltd   Taiyuan Palrot Chemical Co., Ltd   Shananxi Dongtaiyuan Chemical Technology Co.,Ltd.   Lyg-Xinlin Chemical Mine Co.,Ltd.   Taiyuan Palort Chemical Co., Ltd   Tianjin Detaiyuan Chemicals Co.,Ltd   Taiyuan Pilot Chemical Co., Ltd.   Taiyuan Pilot Chemical Co., Ltd   Taiyuan Pilot Chemical Co. Ltd   Shaanxidongtaiyuan Chemical Technology Co.,Ltd   Taiyuan Zhongshengkehua Chemical Industry Co.,Ltd   Taiyuan Tengruida Chemical Co.,Ltd   Taiyuan Tengruida Chemical Co.,Ltd    Tianjin Detaiyuan Chemicals Co.,Ltd   Taiyuan Peng isle Chemical Co.,LTD