| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |