| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 1168.22 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251011 |
| Shandong Yuhuang Chem | China national standards | MT | 1126.0 | USD | 20251010 |
| Jinan Dezheng Chem | China national standards | MT | 933.17 | USD | 20251010 |
| Jinan Dezheng Chem | China national standards | MT | 933.17 | USD | 20251010 |
| Shaanxi Yanchang Petro | China national standards | MT | 933.17 | USD | 20251010 |
| Sinopec | China national standards | MT | 933.17 | USD | 20251010 |
| Lihuayi Shandong | China national standards | MT | 933.17 | USD | 20251010 |