| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 900.69 | USD | 20250924 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 956.98 | USD | 20250923 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1097.71 | USD | 20250923 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1027.34 | USD | 20250923 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1125.86 | USD | 20250923 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 857.87 | USD | 20250922 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 956.32 | USD | 20250922 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1026.64 | USD | 20250922 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 900.06 | USD | 20250922 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1026.32 | USD | 20250920 |