| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 727.87 | USD | 20251203 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 727.13 | USD | 20251125 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 726.63 | USD | 20251121 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 726.32 | USD | 20251120 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 719.77 | USD | 20251118 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 719.68 | USD | 20251113 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 720.0 | USD | 20251112 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 705.86 | USD | 20251107 |