| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 900.3 | USD | 20251203 |
| Shandong Yuhuang Chem | China national standards | MT | 1370.95 | USD | 20251203 |
| Sinopec | China national standards | MT | 894.65 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 918.68 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 911.61 | USD | 20251203 |
| Aite Zhejiang | China national standards | MT | 1313.67 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 1158.29 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1299.55 | USD | 20251202 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.48 | USD | 20251202 |