| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 855.33 | USD | 20251204 |
| Shandong Junfeng | China national standards | MT | 791.71 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 721.02 | USD | 20251204 |
| JIN Yimeng | China national standards | MT | 805.61 | USD | 20251203 |
| Jinan Aochen Chem | China national standards | MT | 734.94 | USD | 20251203 |
| Anhui Ruibai | China national standards | MT | 812.67 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 749.07 | USD | 20251203 |
| Yankuang Guotai Chem | China national standards | MT | 703.85 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 855.08 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 869.21 | USD | 20251203 |