| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 267.96 | USD | 20251120 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 267.96 | USD | 20251120 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 268.09 | USD | 20251119 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 268.15 | USD | 20251118 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 268.27 | USD | 20251114 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 268.12 | USD | 20251113 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 268.24 | USD | 20251112 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 254.0 | USD | 20251111 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 254.04 | USD | 20251110 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 254.11 | USD | 20251109 |