| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 804.12 | USD | 20251104 |
| Shandong Yeyang Chem | China national standards | MT | 775.9 | USD | 20251104 |
| Shandong Energy | China national standards | MT | 790.01 | USD | 20251104 |
| Sinopec | China national standards | MT | 775.9 | USD | 20251104 |
| Wanhua Chem | China national standards | MT | 761.8 | USD | 20251104 |
| Luxi Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Energy | China national standards | MT | 1015.73 | USD | 20251104 |
| Aite Zhejiang | China national standards | MT | 987.51 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 959.3 | USD | 20251104 |
| Lihuayi Shandong | China national standards | MT | 959.3 | USD | 20251104 |