| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 889.01 | USD | 20251106 |
| Beijing Yanshan Petro | China national standards | MT | 1199.46 | USD | 20251106 |
| Sinopec | China national standards | MT | 994.85 | USD | 20251106 |
| Zibo Jinshuo Chem | China national standards | MT | 917.24 | USD | 20251106 |
| Beijing Yanshan Petro | China national standards | MT | 889.01 | USD | 20251106 |
| Nantong Zhonghe Chem | China national standards | MT | 917.24 | USD | 20251106 |
| Hubei 789 Chem | China national standards | MT | 987.79 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 889.01 | USD | 20251106 |
| Jinan Qi Mat | China national standards | MT | 889.01 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 889.01 | USD | 20251106 |