| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Beijing Yanshan Petro | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Mingyu | China national standards | MT | 1047.05 | USD | 20250928 |
| Hubei 789 Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Hubei 789 Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Aite Chem | China national standards | MT | 1236.79 | USD | 20250928 |
| Beijing Yanshan Petro | China national standards | MT | 1054.08 | USD | 20250928 |
| Beijing Yanshan Petro | China national standards | MT | 1194.63 | USD | 20250928 |
| Shandong Aite Chem | China national standards | MT | 1096.24 | USD | 20250928 |