| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1301.26 | USD | 20250918 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1266.09 | USD | 20250918 |