| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongyue | China national standards | MT | 1834.71 | USD | 20251110 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.33 | USD | 20251110 |
| Shandong Zhenkun | China national standards | MT | 1453.65 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1905.27 | USD | 20251110 |
| Shandong Luxi Chem | China national standards | MT | 1538.77 | USD | 20251109 |
| Shandong Dongyue | China national standards | MT | 1835.23 | USD | 20251109 |
| Shandong Dongyue | China national standards | MT | 1835.23 | USD | 20251108 |
| Shandong Luxi Chem | China national standards | MT | 1538.77 | USD | 20251108 |
| Shandong Yuxuan Chem | China national standards | MT | 1623.47 | USD | 20251108 |
| Shandong Luxi Chem | China national standards | MT | 1538.77 | USD | 20251107 |