| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 900.57 | USD | 20251204 |
| Shandong Yuhuang Chem | China national standards | MT | 1371.35 | USD | 20251204 |
| Sinopec | China national standards | MT | 894.91 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Sinopec | China national standards | MT | 933.09 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1229.98 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 911.88 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 893.5 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 909.05 | USD | 20251204 |