| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.21 | USD | 20251209 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.3 | USD | 20251209 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1130.37 | USD | 20251209 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.3 | USD | 20251209 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.41 | USD | 20251208 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 932.68 | USD | 20251208 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.34 | USD | 20251208 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1003.55 | USD | 20251205 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 904.61 | USD | 20251205 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1130.76 | USD | 20251205 |