| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 931.35 | USD | 20251113 |
| Shiyou Yangzhou Chem | China national standards | MT | 889.01 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Xima | China national standards | MT | 889.01 | USD | 20251113 |
| Shandong Qiangsen Chem | China national standards | MT | 931.35 | USD | 20251113 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Junfeng | China national standards | MT | 917.24 | USD | 20251113 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.91 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.24 | USD | 20251113 |