| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1405.44 | USD | 20250928 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1082.19 | USD | 20250928 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1405.44 | USD | 20250926 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250926 |