| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1116.47 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1116.15 | USD | 20251127 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.41 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.41 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.64 | USD | 20251121 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.17 | USD | 20251120 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.69 | USD | 20251119 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251118 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.57 | USD | 20251117 |