| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1229.18 | USD | 20251127 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.88 | USD | 20251126 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.36 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.51 | USD | 20251121 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1226.99 | USD | 20251120 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.57 | USD | 20251119 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.84 | USD | 20251118 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.54 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1228.54 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1227.69 | USD | 20251113 |