| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 942.26 | USD | 20250922 |
| Sinopec | China national standards | MT | 1223.53 | USD | 20250922 |
| Shandong Yuhuang Chem | China national standards | MT | 1364.16 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1223.53 | USD | 20250922 |
| Lihuayi Shandong | China national standards | MT | 1378.22 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1195.4 | USD | 20250922 |
| Shandong Huize Chem | China national standards | MT | 1054.76 | USD | 20250922 |
| Sinopec | China national standards | MT | 956.32 | USD | 20250922 |
| Sinopec | China national standards | MT | 956.32 | USD | 20250922 |
| Lihuayi Shandong | China national standards | MT | 952.1 | USD | 20250922 |