| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.13 | USD | 20251106 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.13 | USD | 20251105 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 930.88 | USD | 20251105 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 888.56 | USD | 20251105 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1128.33 | USD | 20251105 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 902.67 | USD | 20251105 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.37 | USD | 20251104 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.09 | USD | 20251104 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 888.76 | USD | 20251104 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1128.59 | USD | 20251104 |