| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251028 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.54 | USD | 20251027 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251025 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1113.96 | USD | 20251023 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1183.87 | USD | 20251022 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1184.27 | USD | 20251021 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1183.55 | USD | 20251020 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1183.95 | USD | 20251017 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1183.18 | USD | 20251015 |