| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1285.96 | USD | 20251208 |
| Shandong Fusheng | China national standards | MT | 819.63 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 1031.6 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 1045.73 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 989.2 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1257.7 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 1045.73 | USD | 20251208 |
| Shandong Laya Chem | China national standards | MT | 1003.34 | USD | 20251208 |