| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.81 | USD | 20251204 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.77 | USD | 20251204 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.81 | USD | 20251204 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 933.09 | USD | 20251204 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1131.01 | USD | 20251204 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1130.68 | USD | 20251203 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1130.68 | USD | 20251203 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.48 | USD | 20251203 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 932.81 | USD | 20251203 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1002.91 | USD | 20251202 |