| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1002.91 | USD | 20251202 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.03 | USD | 20251202 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 932.28 | USD | 20251202 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1130.04 | USD | 20251202 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1130.6 | USD | 20251201 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.41 | USD | 20251201 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1130.6 | USD | 20251201 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.48 | USD | 20251201 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 932.74 | USD | 20251201 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.48 | USD | 20251201 |