| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.57 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.3 | USD | 20251112 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.78 | USD | 20251111 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251110 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.25 | USD | 20251108 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.25 | USD | 20251107 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.23 | USD | 20251105 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.48 | USD | 20251104 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.76 | USD | 20251103 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.14 | USD | 20251029 |