| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 927.59 | USD | 20250928 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 885.43 | USD | 20250927 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.27 | USD | 20250927 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250926 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 913.54 | USD | 20250926 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 885.43 | USD | 20250926 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250925 |