| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Changzhou Guoshun Chem | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Wonfull Petro | China national standards | MT | 719.58 | USD | 20251121 |
| Changzhou Qidi Chem | China national standards | MT | 705.47 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 719.58 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 761.9 | USD | 20251121 |
| Nantong Zhonghe Chem | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Yushuo Chem | China national standards | MT | 726.63 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Laya Chem | China national standards | MT | 747.8 | USD | 20251121 |