| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1127.49 | USD | 20251022 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 901.99 | USD | 20251022 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 930.49 | USD | 20251021 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1099.68 | USD | 20251021 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 888.2 | USD | 20251021 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1127.87 | USD | 20251021 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1099.01 | USD | 20251020 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 929.93 | USD | 20251020 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 887.66 | USD | 20251020 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1127.19 | USD | 20251020 |