| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 791.42 | USD | 20251201 |
| Shanghai QianChem | China national standards | MT | 1059.94 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 819.68 | USD | 20251201 |
| CNPC | China national standards | MT | 713.69 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 961.01 | USD | 20251201 |
| Shaanxi Petro Yanan | China national standards | MT | 702.38 | USD | 20251201 |
| Sinopec | China national standards | MT | 1059.94 | USD | 20251201 |
| Lihuayi Shandong | China national standards | MT | 1059.94 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Shandong FUZE | China national standards | MT | 1059.94 | USD | 20251201 |