| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1060.33 | USD | 20251204 |
| Wanhua Chem | China national standards | MT | 1046.19 | USD | 20251204 |
| Shandong Mingyu | China national standards | MT | 862.4 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 989.64 | USD | 20251204 |
| Shandong Kaitai Petro | China national standards | MT | 918.95 | USD | 20251204 |
| Wanhua Yantai | China national standards | MT | 791.71 | USD | 20251204 |
| Sinopec | China national standards | MT | 791.71 | USD | 20251204 |
| Sinopec | China national standards | MT | 791.71 | USD | 20251204 |
| Shandong Yaoming Chem | China national standards | MT | 834.12 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 819.99 | USD | 20251204 |