| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 791.26 | USD | 20251209 |
| Zhenghe | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Yaoming Chem | China national standards | MT | 833.65 | USD | 20251209 |
| Shandong Kaitai Petro | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1059.73 | USD | 20251209 |
| Satellite Chem | China national standards | MT | 833.65 | USD | 20251209 |
| Satellite Chem | China national standards | MT | 791.26 | USD | 20251209 |
| Satellite Chem | China national standards | MT | 833.65 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 847.78 | USD | 20251209 |
| Satellite Chem | China national standards | MT | 791.26 | USD | 20251209 |