| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 927.9 | USD | 20250919 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 927.9 | USD | 20250919 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.06 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |