| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251128 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251128 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.81 | USD | 20251127 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 777.07 | USD | 20251127 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.81 | USD | 20251127 |