| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.09 | USD | 20251104 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.65 | USD | 20251103 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.32 | USD | 20251103 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 888.99 | USD | 20251103 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1128.88 | USD | 20251103 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.1 | USD | 20251103 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.1 | USD | 20251103 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 902.93 | USD | 20251101 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 888.83 | USD | 20251031 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.45 | USD | 20251031 |