| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1029.91 | USD | 20251031 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.25 | USD | 20251030 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.69 | USD | 20251030 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1030.14 | USD | 20251030 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.69 | USD | 20251030 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.25 | USD | 20251030 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.94 | USD | 20251029 |