| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 773.68 | USD | 20250929 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 773.68 | USD | 20250929 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250928 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250928 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250926 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250926 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 781.06 | USD | 20250925 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 781.06 | USD | 20250925 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 781.06 | USD | 20250924 |