| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 889.97 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 889.97 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 890.09 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 889.88 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 889.5 | USD | 20251125 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 889.24 | USD | 20251124 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251123 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251122 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 874.41 | USD | 20251120 |