| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 1018.59 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 862.97 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1308.6 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Luxi Chem | China national standards | MT | 962.0 | USD | 20251211 |
| Shandong Luxi Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 990.3 | USD | 20251211 |