| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 957.01 | USD | 20251008 |
| Sinopec | China national standards | MT | 788.12 | USD | 20251008 |
| Sinopec | China national standards | MT | 802.2 | USD | 20251008 |
| Sinopec | China national standards | MT | 816.27 | USD | 20251008 |
| Jinan Dezheng Chem | China national standards | MT | 957.01 | USD | 20251008 |
| Jinan Dezheng Chem | China national standards | MT | 957.01 | USD | 20251008 |
| Wanhua Yantai | China national standards | MT | 816.27 | USD | 20251008 |
| Shandong Yihe Chem | China national standards | MT | 788.12 | USD | 20251008 |
| Zibo Lishuo Chem | China national standards | MT | 844.42 | USD | 20251008 |
| Zibo Lishuo Chem | China national standards | MT | 844.42 | USD | 20251008 |