| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1028.24 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |