| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 919.24 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 919.24 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 919.24 | USD | 20251025 |
| Shandong Xima | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Qiangsen Chem | China national standards | MT | 930.52 | USD | 20251025 |
| Shandong Qiangsen Chem | China national standards | MT | 930.52 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 919.24 | USD | 20251025 |
| Beijing Yanshan Petro | China national standards | MT | 919.24 | USD | 20251025 |
| Lihuayi Weiyuan Chem | China national standards | MT | 919.24 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 919.24 | USD | 20251025 |