| NO. | Time | Unit Name | Project name |
| 1 | 2025.6.11 | Hubei Nord Lithium Battery Materials Co., Ltd | Dust removal device renovation |
| 2 | 2025.4.25 | Suzhou Donglai Environmental Protection Technology Co., Ltd | 9.18 ㎡ Oxygen Enriched Side Blowing Furnace System Exhaust Gas Treatment EPC General |
| 3 | 2025.4.28 | Hubei Zhongzhou Trading Co., Ltd | Contracted project“ |
| 4 | 2025.4.11 | Hubei Zhongzhou Trading Co., Ltd | Tanzania 4.6 ㎡ blast furnace smelting production line non-standard equipment |
| 5 | 2025.3.31 | Hubei Gaoneng Pengfu Environmental Protection Technology Co., Ltd | Tanzania 4.6 ㎡ blower production line exhaust dust removal |
| 6 | 2025.3.14 | Guangdong Huanyuan Environmental Protection Technology Co., Ltd | Desulfurization equipment“ |
| 7 | 2025.2.17 | Hubei Jinsheng Technology Co., Ltd | dust collector |
| 8 | 2025.1.11 | Hubei Jinsheng Technology Co., Ltd | 2 ㎡ oxygen enriched side blowing furnace and exhaust gas treatment EPC project equipment supply |
| 9 | 2024.12.12 | Hubei Jinfu Environmental Protection Technology Co., Ltd | Filter press pump, filtrate pump, clean water pump, pipeline pump |
| 10 | 2024.11.1 | Hebei Xiongtai Renewable Resources Co., Ltd | Laos 1.8㎡ Blast Furnace Desulfurization System Equipment Co., Ltd |
| 11 | 2024.10.11 | Jiangxi Baohai Environmental Protection Technology Co., Ltd | Replacement of accessories for dust removal control cabinet PLC |
| 12 | 2024.9.25 | Hubei Nord Lithium Battery Materials Co., Ltd | Mixing system for high sulfur circulating pool |
| 13 | 2024.9.27 | Anhui Pengran Renewable Resources Co., Ltd | PLC programming |
| 14 | 2024.9.21 | Hubei Jiekong Technology Co., Ltd | Heavy hammer ash discharge valve |
| 15 | 2024.9.20 | Daye Jinshanling Calcium Industry Co., Ltd | EPC general contracting project for 2 * 1.3 ㎡ waste circuit board smelting |
| 16 | 2024.9.12 | Jiangxi Tianen New Materials Co., Ltd | Tank body |
| 17 | 2024.8.1 | Anhui Pengran Renewable Resources Co., Ltd | Refurbishment and renovation of dust collector |
| 18 | 2024.7.17 | Hubei Shentie Zhixin Robot Co., Ltd | Maintenance of bag type dust collector |
| 19 | 2024.5.28 | Huangshi Changchang Import and Export Trade Development Co., Ltd | Design and consulting contracts |
| 20 | 2024.5.21 | Hongxing (Malaysia) Industrial Co., Ltd | Environmental Protection Governance Project |
| 21 | 2024.4.19 | Anhui Yukun New Material Technology Co., Ltd | 3.6m2 smelting furnace tail gas dust removal and desulfurization equipment |
| 22 | 2024.4.18 | Hubei Nord Copper Materials Co., Ltd | EPC Project for Thermal Resource Utilization of Waste Lead Acid Batteries |
| 23 | 2024.4.8 | Jiangxi Baohai Environmental Protection Technology Co., Ltd | Supply of production line equipment and steel structure factory buildings“ |
| 24 | 2024.3.26 | Hubei Jinge Industrial Development Co., Ltd | EPC general contracting project for 4 * 1.3 ㎡ scrap copper smelting production line |
| 25 | 2024.3.25 | Anhui Lukong Environmental Protection Co., Ltd | Sealing machine smoke collection system |
| 26 | 2024.3.15 | Jiangxi Nord Copper Foil Co., Ltd | cylinder |
| 27 | 2024.3.14 | Hubei Youke Precision Manufacturing Co., Ltd | Dust prevention, noise prevention and environmental protection hopper project for coal storage warehouse in smelting plant |
| 28 | 2024.1.10 | Daye Tonggui Building Materials Co., Ltd | Procurement of collection equipment |
| 29 | 2023.12.16 | Daye Changhe Metallurgical Raw Materials Co., Ltd | Bag type dust removal equipment |
| 30 | 2023.12.10 | Tianneng Group (Henan) Energy Technology Co., Ltd | Dust Collector Contract |
| 31 | 2023.11.23 | Hubei Wanrun New Energy Technology Co., Ltd | New environmental dust removal and suppression system |
| 32 | 2023.11.10 | Hubei Dewo Pipe Industry Co., Ltd | Lime kiln dust removal system |
| 33 | 2023.10.14 | Shanxi Zhongke Qingyuan Environmental Protection Technology Co., Ltd | Environmental Protection Renovation of Plastic Workshop |
| 34 | 2023.9.19 | Daye Nonferrous Design and Research Institute Co., Ltd | Exhaust gas treatment |
| 35 | 2023.9.17 | Rui'an Jiangnan Aluminum Industry Co., Ltd | Extrusion exhaust gas system, composite molding exhaust gas treatment, spray painting exhaust gas treatment, etc |
| 36 | 2023.9.5 | Weifang Longda New Materials Co., Ltd | 80000 tons/year comprehensive utilization project of waste catalyst resources |
| 37 | 2023.9.4 | Gansu Zhangyan Shengxue Salt Industry Co., Ltd | Smoke window production and installation |
| 38 | 2023.9.8 | Jiangxi Tongte High tech Materials Co., Ltd | 2-25T Melting and Casting Furnace Dust Collector System Project |
| 39 | 2023.8.21 | Huangshi Xinxing Pipe Industry Co., Ltd | Hazardous waste pyrometallurgical resource disposal oxygen enriched side blowing tail gas treatment project |
| 40 | 2023.7.18 | Huangshi Huantou Recycling Building Materials Technology Co., Ltd. Commercial Concrete Branch | A batch of equipment |
| 41 | 2023.7.5 | Daye Nonferrous Metals Co., Ltd | Exhaust pipe of silver converter flue gas treatment system |
| 42 | 2023.6.19 | Hubei Nord Copper Materials Co., Ltd. Phase II | Bag type dust removal equipment |
| 43 | 2023.6.3 | Hubei Nord Copper Materials Co., Ltd | Environmental Protection Equipment |
| 44 | 2023.6.1 | Hubei Zhenhua Chemical Co., Ltd | Horizontal insertion filter cartridge dust collector |
| 45 | 2023.5.17 | Shanxi Zhongke Qingyuan Environmental Protection Technology Co., Ltd | Combined flue gas desulfurization system and wet electricity system for roasting kiln and smelting furnace |
| 46 | 2023.5.10 | Daye Changhe Metallurgical Raw Materials Co., Ltd | Lime kiln denitrification system and pipeline renovation |
| 47 | 2023.4.3 | Huangshi Xinxing Pipe Industry Co., Ltd | Maintenance Contract |
| 48 | 2023.3.16 | Huangshi Huayi Environmental Protection Technology Co., Ltd | Production and installation of environmental protection equipment |
| 49 | 2023.3.8 | Huangshi Peihong Environmental Protection Technology Co., Ltd | Production line supporting bag dust removal system |
| 50 | 2023.2.26 | Yan Fuming Aluminum Alloy, Yandang Town, Yueqing City | 2-1.3 ㎡ smelting production line supporting equipment |