| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petro | China national standards | MT | 868.24 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Yuhuang Chem | China national standards | MT | 1369.42 | USD | 20251112 |
| Sinopec | China national standards | MT | 868.24 | USD | 20251112 |
| Shandong Aite Chem | China national standards | MT | 1228.24 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 1327.07 | USD | 20251112 |
| Sinopec | China national standards | MT | 868.24 | USD | 20251112 |
| Sinopec | China national standards | MT | 868.24 | USD | 20251112 |
| Shandong Yushuo Chem | China national standards | MT | 865.42 | USD | 20251112 |
| Shandong Yushuo Chem | China national standards | MT | 889.42 | USD | 20251112 |