| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 913.54 | USD | 20250927 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 885.43 | USD | 20250926 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |