| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.21 | USD | 20251107 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.21 | USD | 20251107 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 747.9 | USD | 20251106 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 747.9 | USD | 20251106 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 747.52 | USD | 20251105 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 747.52 | USD | 20251105 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 775.9 | USD | 20251104 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 775.9 | USD | 20251104 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.1 | USD | 20251103 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.1 | USD | 20251103 |