| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 717.02 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 717.02 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.76 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 780.76 | USD | 20250918 |