| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 777.4 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 777.34 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| 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 |