| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.55 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.55 | USD | 20250918 |