Taiyuan University of Technology   taiyuan qixian co.,ltd   taiyuan qixian co.,ltd   Taiyuan Palrot Chemical Co., Ltd   Taiyuan Palrot Chemical Co., Ltd   Shananxi Dongtaiyuan Chemical Technology Co.,Ltd.   Taiyuan Palort Chemical Co., Ltd   Tianjin Detaiyuan Chemicals 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   Detaiyuan Chemcials Co.,Ltd   Taiyuan Pilot Chemicals Co.,Ltd   Taiyuan Tengruida Chemical Co.,Ltd   Taiyuan Tengruida Chemical Co.,Ltd