| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1907.35 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.7 | USD | 20251127 |
| Shandong Zhenkun | China national standards | MT | 1455.23 | USD | 20251127 |
| Shandong Yuxuan Chem | China national standards | MT | 1766.06 | USD | 20251127 |
| Shandong Dongyue | China national standards | MT | 1836.7 | USD | 20251127 |
| Shandong Zhenkun | China national standards | MT | 1454.88 | USD | 20251126 |
| Liaocheng Yuanze Chem | China national standards | MT | 1539.64 | USD | 20251126 |
| Shandong Yuxuan Chem | China national standards | MT | 1765.64 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 1906.89 | USD | 20251126 |
| Shandong Dongyue | China national standards | MT | 1836.26 | USD | 20251126 |