| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 734.84 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 2162.12 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 741.9 | USD | 20251208 |
| Shandong Xima | China national standards | MT | 748.97 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 2162.12 | USD | 20251208 |
| CNPC | China national standards | MT | 791.36 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 2162.12 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 2162.12 | USD | 20251208 |
| Zibo Lishuo Chem | China national standards | MT | 918.55 | USD | 20251208 |