| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 790.16 | USD | 20251119 |
| Sinopec | China national standards | MT | 790.16 | USD | 20251119 |
| Jinan Aochen Chem | China national standards | MT | 1199.62 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Shandong Yihe Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Zibo Lishuo Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Zibo Lishuo Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Mingyu | China national standards | MT | 860.9 | USD | 20251118 |