| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Qilu Tech | China national standards | MT | 1101.14 | USD | 20251107 |
| Wanhua Yantai | China national standards | MT | 896.44 | USD | 20251107 |
| Shandong Aite Chem | China national standards | MT | 945.85 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1143.49 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 818.79 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 818.79 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 988.2 | USD | 20251107 |
| Jinan Jinhao Chem | China national standards | MT | 1115.25 | USD | 20251107 |
| Shandong Kaitai Petro | China national standards | MT | 889.38 | USD | 20251107 |
| Shandong Kaitai Petro | China national standards | MT | 917.61 | USD | 20251107 |