| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 927.9 | USD | 20250921 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 927.9 | USD | 20250919 |