Pingdingshan Sanji Carbon Co., Ltd   Pingdingshan JiaRui Hi-tech industrial Co.,Ltd.   Hubei Zhengxing Gongchuang technology co., LTD   Hubei Zhengxing phar technology co., LTD   Hangzhou Hengxing Activated Carbon Co.ltd   Xi'an Shengxing Bio-Tech Co.,Ltd   Taizhou Shengxing Chempharm Co.,Ltd   Yantai Hengxing Printing Ink CO.,Ltd    tianjinshihengxinghuagongmaoyigongshi   Xuzhou Hengxing Chemical Co.,Ltd.   Pingdingshan Shilong Kaisite Dye Factory   Nantong Hengxing Electrical Material Co.,Ltd.   Hangzhou Hengxing Activated Carbon Co., Ltd.   LUOTIAN HENGXINGYUAN CHEMICAL CO,.LTD   Huanggang Hengxingyuan Chemical Co., Ltd.   Fuyang Chengxing Chemical Auxiliary Co., Ltd   Luotian Hengxingyuan Chemical Co.,Ltd.   Dunhua Zhengxing Abrasive Co., Ltd.   Huanggang Hengxingyuan Chemical Co.,Ltd.   Dalian Zhengxing Abrasive Co., Ltd.