| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1171.77 | USD | 20251112 |
| Sinopec | China national standards | MT | 1129.42 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 868.24 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 988.24 | USD | 20251112 |
| Sinopec | China national standards | MT | 865.42 | USD | 20251112 |
| Shandong Xingpeng Chem | China national standards | MT | 883.77 | USD | 20251112 |
| Shandong Yushuo Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Hubei 789 Chem | China national standards | MT | 1298.83 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 988.24 | USD | 20251112 |