| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1131.77 | USD | 20251211 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 933.71 | USD | 20251211 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1004.44 | USD | 20251211 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 905.41 | USD | 20251211 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.56 | USD | 20251210 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.49 | USD | 20251210 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 932.82 | USD | 20251210 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.56 | USD | 20251210 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 932.56 | USD | 20251209 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.21 | USD | 20251209 |