| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 237.33 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 360.23 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 282.53 | USD | 20251129 |
| Jinan Qi Mat | China national standards | MT | 237.33 | USD | 20251129 |
| Luxi Chem | China national standards | MT | 324.91 | USD | 20251129 |
| Shandong Xingpeng Chem | China national standards | MT | 317.85 | USD | 20251129 |
| Jiangsu LeeMan Chem | China national standards | MT | 240.15 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 360.23 | USD | 20251128 |
| Luxi Chem | China national standards | MT | 303.72 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 381.42 | USD | 20251128 |