| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 818.45 | USD | 20251111 |
| Shandong Feiyang Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Zhongke Taihua | China national standards | MT | 945.45 | USD | 20251111 |
| Shanghai Ronghe Chem | China national standards | MT | 790.22 | USD | 20251111 |
| Shandong Zhongke Taihua | China national standards | MT | 945.45 | USD | 20251111 |
| Shandong Wonfull Petro | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Hanyue Chem | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 747.89 | USD | 20251111 |
| Shandong Hanyue Chem | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Yushuo Chem | China national standards | MT | 747.89 | USD | 20251111 |