| Vendor | Spec | Unit | Price | Currency | Date |
| Formosa Ningbo | China national standards | MT | 889.13 | USD | 20251110 |
| Zibo Lishuo Chem | China national standards | MT | 846.79 | USD | 20251110 |
| Shandong Qiangsen Chem | China national standards | MT | 818.56 | USD | 20251110 |
| Shandong Aite Chem | China national standards | MT | 945.58 | USD | 20251110 |
| Shandong Aite Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Wanhua Yantai | China national standards | MT | 818.56 | USD | 20251110 |
| Shandong Kaitai Petro | China national standards | MT | 917.35 | USD | 20251110 |
| Jinan Aochen Chem | China national standards | MT | 959.69 | USD | 20251110 |
| Jinan Aochen Chem | China national standards | MT | 1199.62 | USD | 20251110 |
| Hubei 789 Chem | China national standards | MT | 818.56 | USD | 20251110 |