Hebei Kangzhuang Environmental Protection Technology Co., Ltd.   Advanced Polymers & Composites Inc.   Fisher King Environmental, L.L.C.   Fisher King Environmental, L.L.C.   Advanced BioChemicals   Dongchang Advanced Chemical(Jiangsu)Technology Co., Ltd   Beijing Sanju Environmental Protection   Shandong Efirm Biochemistry and Environmental Protection Co., Ltd.   SAS Environmental Services   Advanced Industech Co., Ltd.   Anhui Tianyi Environmental Protection Tech. Co.,Ltd   Chemkey Advanced Materials Technology (Shanghai) Co.,Ltd   Naicher Advanced Material(YingKou) Co.,Ltd   Xinxiang JIAHUI FRP Environmental Equipment Co.,Ltd   Shandong Yinghao Environmental Protection Technology Co., Ltd.   Advanced Organic Synthesis   Suzhou Sepna Advanced Material Co.,Ltd   Shanghai Shsan environmental protection equipment Co., Ltd.   JIANGSU AOKAI ENVIRONMENTAL INDUSTRIAL TECHNOLOGY CO.,LTD   xiamen innovacera advanced materials co.,ltd