| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.36 | USD | 20251112 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.78 | USD | 20251111 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251110 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.31 | USD | 20251108 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.31 | USD | 20251107 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.17 | USD | 20251105 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.17 | USD | 20251105 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.45 | USD | 20251104 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1241.76 | USD | 20251103 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1242.18 | USD | 20251029 |