| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.76 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.39 | USD | 20250924 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.76 | USD | 20250924 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250924 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.83 | USD | 20250924 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.61 | USD | 20250924 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |