| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1128.27 | USD | 20251120 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 930.82 | USD | 20251120 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 902.62 | USD | 20251120 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.26 | USD | 20251119 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.04 | USD | 20251119 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.58 | USD | 20251119 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.04 | USD | 20251119 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.04 | USD | 20251119 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 987.92 | USD | 20251118 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.24 | USD | 20251118 |