| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.76 | USD | 20251210 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.57 | USD | 20251208 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.83 | USD | 20251206 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.83 | USD | 20251206 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.83 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1244.12 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.75 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.04 | USD | 20251202 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.66 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.31 | USD | 20251127 |