| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 901.75 | USD | 20251020 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 887.96 | USD | 20251018 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 902.06 | USD | 20251018 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 930.25 | USD | 20251017 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1127.57 | USD | 20251017 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1099.38 | USD | 20251017 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 859.54 | USD | 20251016 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1099.09 | USD | 20251016 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 930.0 | USD | 20251016 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 887.72 | USD | 20251016 |