| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.74 | USD | 20251210 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.68 | USD | 20251208 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.77 | USD | 20251206 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.77 | USD | 20251206 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.77 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.85 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.74 | USD | 20251203 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.51 | USD | 20251202 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.71 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 395.6 | USD | 20251127 |