| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.76 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.76 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.77 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.75 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.71 | USD | 20251125 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.69 | USD | 20251124 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.66 | USD | 20251123 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.66 | USD | 20251122 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.66 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 84.62 | USD | 20251120 |