| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1016.59 | USD | 20251115 |
| Zibo Lishuo Chem | China national standards | MT | 988.35 | USD | 20251115 |
| Shandong Yuhuang Chem | China national standards | MT | 872.57 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 974.23 | USD | 20251115 |
| Shaanxi Yanchang Petro | China national standards | MT | 885.28 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1334.27 | USD | 20251115 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.83 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 974.23 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1298.98 | USD | 20251115 |
| Aite Zhejiang | China national standards | MT | 1313.1 | USD | 20251115 |