| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.01 | USD | 20251126 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.48 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.48 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.62 | USD | 20251121 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.1 | USD | 20251120 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.68 | USD | 20251119 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251118 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.8 | USD | 20251113 |