| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.06 | USD | 20250920 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.06 | USD | 20250919 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.12 | USD | 20250919 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.01 | USD | 20250919 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 239.15 | USD | 20250918 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 267.29 | USD | 20250918 |
| Henan Shunzhibang Environmental Protection Technology Co., Ltd. | China national standards | MT | 253.22 | USD | 20250918 |