| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.9 | USD | 20251022 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 422.73 | USD | 20251016 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.65 | USD | 20251015 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.58 | USD | 20251013 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251011 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 337.8 | USD | 20251010 |