| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 781.06 | USD | 20250924 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250923 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250923 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |