| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 169.43 | USD | 20251115 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.73 | USD | 20251114 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.63 | USD | 20251113 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.71 | USD | 20251112 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.62 | USD | 20251111 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.7 | USD | 20251109 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.7 | USD | 20251107 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.63 | USD | 20251106 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.53 | USD | 20251105 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 180.57 | USD | 20251104 |