| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Zixu Mat | China national standards | MT | 1242.31 | USD | 20251107 |
| Shandong Energy | China national standards | MT | 790.56 | USD | 20251107 |
| Shandong Yeyang Chem | China national standards | MT | 776.44 | USD | 20251107 |
| CNPC | China national standards | MT | 804.68 | USD | 20251107 |
| Sinopec | China national standards | MT | 776.44 | USD | 20251107 |
| Wanhua Chem | China national standards | MT | 762.32 | USD | 20251107 |
| Luxi Chem | China national standards | MT | 974.08 | USD | 20251107 |
| Lihuayi Shandong | China national standards | MT | 959.96 | USD | 20251107 |
| Shandong Zhiheng | China national standards | MT | 945.85 | USD | 20251107 |
| Luxi Chem | China national standards | MT | 889.38 | USD | 20251107 |