| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.24 | USD | 20251112 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.67 | USD | 20251111 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.84 | USD | 20251110 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.19 | USD | 20251108 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.19 | USD | 20251107 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.06 | USD | 20251105 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.34 | USD | 20251104 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.65 | USD | 20251103 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.07 | USD | 20251029 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.84 | USD | 20251028 |