| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 988.76 | USD | 20251126 |
| Lihuayi Shandong | China national standards | MT | 1327.2 | USD | 20251125 |
| Shandong Jinwen Chem | China national standards | MT | 1200.12 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 988.34 | USD | 20251125 |
| Lihuayi Shandong | China national standards | MT | 988.34 | USD | 20251125 |
| Beijing Yanshan Petro | China national standards | MT | 1157.77 | USD | 20251125 |
| Aite Zhejiang | China national standards | MT | 1157.77 | USD | 20251125 |
| Lihuayi Shandong | China national standards | MT | 1327.2 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 988.34 | USD | 20251125 |
| Lihuayi Shandong | China national standards | MT | 988.34 | USD | 20251125 |