| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251028 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1016.15 | USD | 20251028 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1015.79 | USD | 20251027 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1029.21 | USD | 20251025 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1015.11 | USD | 20251025 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1029.21 | USD | 20251024 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1015.11 | USD | 20251024 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1029.36 | USD | 20251023 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1015.26 | USD | 20251023 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |