| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 920.18 | USD | 20251028 |
| Qingdao Shengze Chem | China national standards | MT | 920.18 | USD | 20251028 |
| Jinan Xinbo Chem | China national standards | MT | 1157.28 | USD | 20251028 |
| Jinan Xinbo Chem | China national standards | MT | 1129.05 | USD | 20251028 |
| Shandong Henrui Chem | China national standards | MT | 917.35 | USD | 20251028 |
| Beijing Yanshan Petro | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 1058.48 | USD | 20251028 |