| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1128.67 | USD | 20251031 |
| 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 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 902.93 | USD | 20251031 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 860.8 | USD | 20251030 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1100.7 | USD | 20251030 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 931.36 | USD | 20251030 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 903.14 | USD | 20251030 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 889.03 | USD | 20251030 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 889.29 | USD | 20251029 |