• Beijing Tongchuang Biyuan Water Technology Development Co., Ltd.
• Nishihara Environment Protection (Shanghai) Co. Ltd.
• FairylandEnvironmental Technology (Zhejiang) Co., Ltd.
• MirShine Environmental Protection Technology Co., Ltd.
• Chengdu Bishui Environmental Governance Co., Ltd.
• Suzhou Jingtianairen Environmental Technology Co.,Ltd.
• Qingdao Yihua Environmental Protection Co., Ltd.