| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 895.4 | USD | 20251023 |
| Shandong Qiangsen Chem | China national standards | MT | 1043.46 | USD | 20251023 |
| Sinopec | China national standards | MT | 1226.77 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Zhiheng | China national standards | MT | 1170.37 | USD | 20251023 |
| Sinopec | China national standards | MT | 1212.67 | USD | 20251023 |