| NO. | Time | Unit Name | Project name |
| 151 | 2021.1.13 | Guangdong Hongxing Environmental Protection Technology Co., Ltd | Sintering flue gas cooling renovation |
| 152 | 2021.1.5 | Hubei Lizhong New Material Technology Co., Ltd | Flue gas treatment system renovation project |
| 153 | 2021.9.30 | Hubei Zhenhua Chemical Co., Ltd | HMC64 Single Unit Pulse Dust Collector |
| 154 | 2020.12.23 | Huishi Xinyu Nonferrous Metal Recycling Resources Products Co., Ltd | supplemental contract |
| 155 | 2020.12.15 | Qingdao Special Steel Co., Ltd | 1.2 ㎡ blast furnace pulse bag and dust collector equipment |
| 156 | 2020.12.15 | Hubei Yiting Chemical Technology Co., Ltd | One 350000 air volume dust collector and its ancillary equipment |
| 157 | 2020.12.1 | Guangdong Feinan Resource Utilization Co., Ltd | cloth bag |
| 158 | 2020.12.1 | Hubei Lizhong New Material Technology Co., Ltd | Wet process workshop mixing tank truck discharge port dust collection project |
| 159 | 2020.11.5 | Hubei Hengyan Aluminum Industry Co., Ltd | Ball mill liner bolt |
| 160 | 2020.9.13 | Yichang Wuxing Material Technology Co., Ltd | Coated polyester filter bag |
| 161 | 2020.9.11 | Hubei Jinfu Environmental Protection Technology Co., Ltd | Replacement of bag filter accessories for 6T/H biomass boiler burner |
| 162 | 2020.9.2 | Guangdong Feinan Resource Utilization Co., Ltd | Drying system bag filter |
| 163 | 2020.9.1 | Fogangdawei Special Steel Co., Ltd | Wet process workshop ball mill feeding system |
| 164 | 2020.8.31 | Rifeng Enterprise (Huangshi) Co., Ltd | Built in electric drum |
| 165 | 2020.8.24 | Jiangxi Tianen New Materials Co., Ltd | Installation of environmental protection equipment for PPR workshop and kiln in Huangshi base |
| 166 | 2020.8.11 | Guangdong Feinan Resource Utilization Co., Ltd | 4-30T Melting and Casting Furnace Dust Control Project |
| 167 | 2020.8.13 | Hubei Zhonghuan Xin Environmental Protection Technology Co., Ltd | High humidity sludge feeder |
| 168 | 2020.8.5 | Wuhan Youdi Engineering Technology Co., Ltd | Single pulse dust collector |
| 169 | 2020.7.6 | Jiangsu Yongji Environmental Protection Technology Co., Ltd | Malaysia 40T EMA furnace steel structure platform |
| 170 | 2020.7.1 | Hubei Lizhong New Material Technology Co., Ltd | 6 ㎡ blast furnace flue gas desulfurization and system renovation |
| 171 | 2020.6.29 | Guangxi Construction Engineering Group Second Installation and Construction Co., Ltd | Grinding station drying system (crane) |
| 172 | 2020.6.28 | Jiangsu Yongji Environmental Protection Technology Co., Ltd | Repair and replacement of dust collector accessories |
| 173 | 2020.6.15 | Shaoguan Pengrui Environmental Protection Technology Co., Ltd | 6 ㎡ Blast Furnace Dust Collector Renovation Project |
| 174 | 2020.6.3 | Guangdong Feinan Resource Utilization Co., Ltd | Supply of Ventilation and Exhaust Projects for the Loading Workshop Environment |
| 175 | 2020.6.3 | Guangdong Feinan Resource Utilization Co., Ltd | Installation of Ventilation and Exhaust Project for the Loading Workshop Environment |
| 176 | 2020.5.27 | Hubei Weichen Environmental Technology Co., Ltd | Newly added surface cooler and bag dust removal maintenance project for roasting furnace |
| 177 | 2020.5.13 | Hubei Weichen Environmental Technology Co., Ltd | Platform project; Pipeline renovation; Raise the inlet and use a mixer. |
| 178 | 2020.5.3 | Guangxi Construction Engineering Group Second Installation and Construction Co., Ltd | Check the door seal strip |
| 179 | 2020.5.3 | Jiangsu Yongji Environmental Protection Technology Co., Ltd | 6 ㎡ blast furnace and steel structure platform |
| 180 | 2020.4.16 | Hubei Lizhong New Material Technology Co., Ltd | Maintenance platform, screw conveyor |
| 181 | 2020.3.28 | Hubei Lizhong New Material Technology Co., Ltd | Grinding station drying system equipment |
| 182 | 2020.2.26 | Guangzhou Jinye Environmental Protection Disposal Co., Ltd | Sintering furnace, blast furnace, desulfurization upgrade and renovation |
| 183 | 2020.2.15 | Qingdao Special Steel Co., Ltd | Environmental dust removal system for steelmaking project |
| 184 | 2020.1.8 | Guangdong Jinyu Environmental Technology Co., Ltd | Large blast furnace stone ash silo system |
| 185 | 2019.12.27 | Huangshi Hongfa Electromechanical Equipment Co., Ltd | Pipe chain conveyor |
| 186 | 2019.12.23 | Guangdong Jinyu Environmental Technology Co., Ltd | 3 ㎡ blast furnace bag filter and ash storage and transportation system |
| 187 | 2019.12.17 | Sichuan Shehong Chuanzhong Building Materials Co., Ltd | Transformation of natural air cooler for electric arc furnace |
| 188 | 2019.12.17 | Guangdong Feinan Resource Utilization Co., Ltd | Contract for Dust Removal Installation of Newly Added Posts in Sintering Screening System |
| 189 | 2019.12.4 | Hubei Zhonghuan Xin Environmental Protection Technology Co., Ltd | HMC96-A standalone dust collector |
| 190 | 2019.12.3 | Hubei Weichen Environmental Technology Co., Ltd | Smelting furnace surface cooler |
| 191 | 2019.12.3 | Daye Chengli Machinery Co., Ltd | Grid net |
| 192 | 2019.11.27 | Sichuan Shehong Chuanzhong Building Materials Co., Ltd | Ash unloading valve 300 * 300 |
| 193 | 2019.11.27 | Daye Nonferrous Construction Installation Co., Ltd | Belt conveyor rain cover |
| 194 | 2019.11.19 | Shanxi Dedao Fanglue Metal Materials Co., Ltd | Technical renovation of dust collection for copper outlet, slag outlet and feeding outlet of 3.4 ㎡ smelting furnace |
| 195 | 2019.11.19 | Hubei Weichen Environmental Technology Co., Ltd | Smelting furnace flue gas renovation project |
| 196 | 2019.11.1 | Daye Wanhe Aluminum Industry Co., Ltd | Upgrading and retrofitting of 2-20T melting furnace, yarn ash machine, bag filter, and dust collector |
| 197 | 2019.10.29 | Yichang Wuxing Material Technology Co., Ltd | Biomass boiler combustion machine dust collector |
| 198 | 2019.10.21 | Hubei Weichen Environmental Technology Co., Ltd | Workshop air duct renovation, ball mill feeding device |
| 199 | 2019.10.21 | Hubei Huashi Yejian Machinery Equipment Co., Ltd | Technical guidance fee |
| 200 | 2019.10.16 | Shanxi Dedao Fanglue Metal Materials Co., Ltd | 720 cloth bags |