| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Kaitai Petro | China national standards | MT | 889.97 | USD | 20251128 |
| Shandong Laya Chem | China national standards | MT | 791.08 | USD | 20251128 |
| Shandong Zhiheng | China national standards | MT | 805.21 | USD | 20251128 |
| Jinan Aochen Chem | China national standards | MT | 1243.13 | USD | 20251128 |
| Zibo Lishuo Chem | China national standards | MT | 847.59 | USD | 20251128 |
| Jinan Aochen Chem | China national standards | MT | 960.6 | USD | 20251128 |
| Xiamen Yudeshun Chem | China national standards | MT | 1130.12 | USD | 20251128 |
| Zibo Lishuo Chem | China national standards | MT | 847.59 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 1045.36 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 1031.23 | USD | 20251128 |