| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.79 | USD | 20251110 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.03 | USD | 20251109 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.03 | USD | 20251109 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.03 | USD | 20251108 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.96 | USD | 20251108 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.96 | USD | 20251107 |