| Vendor | Spec | Unit | Price | Currency | Date |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 246.1 | USD | 20250827 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.2 | USD | 20250815 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.27 | USD | 20250813 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.27 | USD | 20250813 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.27 | USD | 20250813 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.08 | USD | 20250811 |
| China Salt Kunshan Co., Ltd. | China national standards | MT | 245.08 | USD | 20250811 |