| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 580.03 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.48 | USD | 20251210 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.32 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.39 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.51 | USD | 20251207 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.51 | USD | 20251205 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.64 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.47 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.47 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 579.15 | USD | 20251202 |