| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 904.61 | USD | 20251205 |
| Shandong Yushuo Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Hanyue Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Sinopec | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Yuhuang Chem | China national standards | MT | 1293.3 | USD | 20251205 |
| Sinopec | China national standards | MT | 894.71 | USD | 20251205 |
| Sinopec | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Hanyue Chem | China national standards | MT | 932.88 | USD | 20251205 |