| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Zibo Lishuo Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Zibo Lishuo Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 919.96 | USD | 20251208 |
| Shandong Hanyue Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hanyue Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 911.48 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Sinopec | China national standards | MT | 918.55 | USD | 20251208 |