| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1448.62 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1898.68 | USD | 20251009 |
| Shandong Luxi Chem | China national standards | MT | 1534.02 | USD | 20251008 |
| Shandong Dongyue | China national standards | MT | 1829.57 | USD | 20251008 |
| Shandong Zhenkun | China national standards | MT | 1449.58 | USD | 20251008 |
| Shandong Dongyue | China national standards | MT | 1829.57 | USD | 20251007 |
| Shandong Luxi Chem | China national standards | MT | 1534.02 | USD | 20251007 |
| Shandong Zhenkun | China national standards | MT | 1449.58 | USD | 20251006 |
| Shandong Luxi Chem | China national standards | MT | 1548.1 | USD | 20251005 |
| Shandong Dongyue | China national standards | MT | 1829.57 | USD | 20251005 |