| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.87 | USD | 20251203 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.84 | USD | 20251201 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.45 | USD | 20251125 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.17 | USD | 20251121 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.0 | USD | 20251120 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.28 | USD | 20251118 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 409.23 | USD | 20251113 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 395.3 | USD | 20251112 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 395.11 | USD | 20251111 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 395.28 | USD | 20251107 |