| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 895.82 | USD | 20251104 |
| Aite Zhejiang | China national standards | MT | 881.71 | USD | 20251104 |
| Formosa Ningbo | China national standards | MT | 888.99 | USD | 20251103 |
| Shandong Jinwen Chem | China national standards | MT | 987.77 | USD | 20251103 |
| Shandong Laya Chem | China national standards | MT | 790.21 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1142.99 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1058.32 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 888.99 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 818.43 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 832.55 | USD | 20251103 |