| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 239.86 | USD | 20251122 |
| Shandong Jinling Chem | China national standards | MT | 242.68 | USD | 20251122 |
| Shandong Jiaen Chem | China national standards | MT | 352.73 | USD | 20251122 |
| Luxi Chem | China national standards | MT | 310.41 | USD | 20251122 |
| Shandong Jinling Chem | China national standards | MT | 331.57 | USD | 20251122 |
| Luxi Chem | China national standards | MT | 338.62 | USD | 20251122 |
| Luxi Chem | China national standards | MT | 239.86 | USD | 20251122 |
| Shandong Jinling Chem | China national standards | MT | 239.86 | USD | 20251122 |
| Luxi Chem | China national standards | MT | 265.26 | USD | 20251122 |
| Shandong Jinshenrun Chem | China national standards | MT | 324.51 | USD | 20251122 |