They are Hubei Luqiao Group Co., Ltd., Shanghai Taixin Environmental Engineering Co., Ltd., Wuhan Optics Valley Environmental Protection Technology Co., Ltd., Wuhan Donghu High-tech Park Development Co., Ltd., Hefei Donghu High-tech Investment Co., Ltd., Hangzhou Donghu High-tech Investment Co., Ltd., Wuhan Optics Valley Accelerator Investment Development Co., Ltd., Baoding Yaorun Water Co., Ltd., Wuhan Liantou Pell Real Estate Co., Ltd., etc.
The subsidiary is legally independent from the parent company and has an independent and complete company management organization system, so it has greater independence and certain flexibility in operation.