| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 955.7 | USD | 20250928 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 899.48 | USD | 20250928 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1096.24 | USD | 20250927 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 857.32 | USD | 20250926 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 899.48 | USD | 20250926 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 955.7 | USD | 20250926 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1096.24 | USD | 20250926 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1025.97 | USD | 20250926 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1124.35 | USD | 20250926 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1027.34 | USD | 20250925 |