| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1073.99 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1285.96 | USD | 20251208 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.15 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 989.2 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 989.2 | USD | 20251208 |