| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Petro Yanan | China national standards | MT | 1064.18 | USD | 20251201 |
| Lihuayi Shandong | China national standards | MT | 784.35 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| Liao Jinxinda | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Energy | China national standards | MT | 1059.94 | USD | 20251201 |
| Sinopec | China national standards | MT | 1059.94 | USD | 20251201 |
| Jinan Zhongyin Mat | China national standards | MT | 727.82 | USD | 20251201 |
| Shanghai QianChem | China national standards | MT | 1059.94 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Zibo Renhao | China national standards | MT | 1271.92 | USD | 20251201 |