| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chem | China national standards | MT | 1157.13 | USD | 20251106 |
| Sinopec | China national standards | MT | 1128.91 | USD | 20251106 |
| Lihuayi Shandong | China national standards | MT | 987.79 | USD | 20251106 |
| Lihuayi Shandong | China national standards | MT | 1246.03 | USD | 20251106 |
| Sinopec | China national standards | MT | 987.79 | USD | 20251106 |
| Sinopec | China national standards | MT | 1227.69 | USD | 20251106 |
| Beijing Yanshan Petro | China national standards | MT | 1220.63 | USD | 20251106 |
| Jinan Qi Mat | China national standards | MT | 874.9 | USD | 20251106 |
| Aite Zhejiang | China national standards | MT | 1157.13 | USD | 20251106 |
| Shandong Zhiheng | China national standards | MT | 1171.24 | USD | 20251106 |