| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 903.04 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 898.8 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1199.35 | USD | 20251119 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.06 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 1326.33 | USD | 20251119 |
| Sinopec | China national standards | MT | 903.04 | USD | 20251119 |
| Sinopec | China national standards | MT | 1227.57 | USD | 20251119 |
| Shandong Laya Chem | China national standards | MT | 973.59 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1298.11 | USD | 20251119 |