| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.69 | 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 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251028 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.72 | USD | 20251025 |