| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Xin Ocean Chemical Co., Ltd. | China national standards | MT | 1408.03 | USD | 20251014 |
| Wuhan Xin Ocean Chemical Co., Ltd. | China national standards | MT | 1406.69 | USD | 20250929 |
| Wuhan Xin Ocean Chemical Co., Ltd. | China national standards | MT | 1407.32 | USD | 20250923 |