| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1129.05 | USD | 20251110 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1101.14 | USD | 20251108 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.73 | USD | 20251107 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 889.38 | USD | 20251107 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1101.14 | USD | 20251107 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1129.37 | USD | 20251107 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.5 | USD | 20251107 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.5 | USD | 20251107 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.35 | USD | 20251106 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.68 | USD | 20251106 |