| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1030.45 | USD | 20251029 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.52 | USD | 20251029 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.52 | USD | 20251029 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.94 | USD | 20251029 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.94 | USD | 20251029 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.69 | USD | 20251028 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251028 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.79 | USD | 20251028 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |