| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1905.27 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1905.27 | USD | 20251118 |
| Liaocheng Yuanze Chem | China national standards | MT | 1539.2 | USD | 20251117 |
| Shandong Dongyue | China national standards | MT | 1835.74 | USD | 20251117 |
| Shandong Yuxuan Chem | China national standards | MT | 1694.53 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1906.35 | USD | 20251117 |
| Shandong Zhenkun | China national standards | MT | 1454.47 | USD | 20251117 |
| Shandong Dongyue | China national standards | MT | 1835.51 | USD | 20251116 |
| Liaocheng Yuanze Chem | China national standards | MT | 1539.0 | USD | 20251116 |
| Shandong Zhenkun | China national standards | MT | 1454.29 | USD | 20251116 |