| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 727.82 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Jinwen Chem | China national standards | MT | 855.01 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Wonfull Petro | China national standards | MT | 713.69 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 727.82 | USD | 20251201 |
| Jinan Jinhao Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 720.76 | USD | 20251201 |