| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 833.88 | USD | 20251203 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 833.82 | USD | 20251201 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 833.03 | USD | 20251125 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 832.45 | USD | 20251121 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 832.1 | USD | 20251120 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 832.67 | USD | 20251118 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20251113 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 830.12 | USD | 20251112 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 815.62 | USD | 20251111 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 815.97 | USD | 20251107 |