| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.53 | USD | 20251112 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1129.42 | USD | 20251112 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.67 | USD | 20251111 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.11 | USD | 20251111 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.34 | USD | 20251111 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1128.89 | USD | 20251111 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.11 | USD | 20251111 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.24 | USD | 20251110 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.47 | USD | 20251110 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.24 | USD | 20251110 |