| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 747.48 | USD | 20251120 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 747.83 | USD | 20251119 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 747.83 | USD | 20251119 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251118 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251118 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.42 | USD | 20251117 |