| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1148.32 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Jinshenrun Chem | China national standards | MT | 1578.6 | USD | 20251019 |
| Shandong Xingpeng Chem | China national standards | MT | 1761.83 | USD | 20251019 |
| Shandong Yaowang Chem | China national standards | MT | 1726.59 | USD | 20251019 |
| Jinan Dezheng Chem | China national standards | MT | 1606.79 | USD | 20251018 |
| Jinan Dezheng Chem | China national standards | MT | 1606.79 | USD | 20251018 |
| Jinan Dezheng Chem | China national standards | MT | 1606.79 | USD | 20251018 |
| Jinan Dezheng Chem | China national standards | MT | 1606.79 | USD | 20251018 |