| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 925.26 | USD | 20251013 |
| Sinopec | China national standards | MT | 1013.98 | USD | 20251013 |
| Shinghwa AdvMat | China national standards | MT | 1337.9 | USD | 20251013 |
| Lihuayi Shandong | China national standards | MT | 1243.54 | USD | 20251013 |
| Sinopec | China national standards | MT | 1246.36 | USD | 20251013 |
| Shandong Hanyue Chem | China national standards | MT | 999.9 | USD | 20251013 |
| Shandong Hanyue Chem | China national standards | MT | 999.9 | USD | 20251013 |
| Sinopec | China national standards | MT | 1225.23 | USD | 20251013 |
| Zibo Lishuo Chem | China national standards | MT | 985.82 | USD | 20251013 |
| Zibo Lishuo Chem | China national standards | MT | 985.82 | USD | 20251013 |