| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 804.71 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 804.71 | USD | 20251112 |
| Shandong Xima | China national standards | MT | 705.89 | USD | 20251112 |
| Shandong Fusheng | China national standards | MT | 748.24 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 818.83 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 705.89 | USD | 20251112 |
| Shandong Wonfull Petro | China national standards | MT | 705.89 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Jinwen Chem | China national standards | MT | 854.12 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 705.89 | USD | 20251112 |