| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 492.07 | USD | 20250919 |
| CNOOC | China national standards | MT | 576.43 | USD | 20250919 |
| CNOOC | China national standards | MT | 576.43 | USD | 20250919 |
| Jinan Jinrihe Chem | China national standards | MT | 576.43 | USD | 20250919 |
| Jinan Jinrihe Chem | China national standards | MT | 576.43 | USD | 20250919 |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.19 | USD | 20250919 |
| Beijing Yanshan Petro | China national standards | MT | 520.19 | USD | 20250919 |
| Shanghai SKY Chem | China national standards | MT | 738.11 | USD | 20250919 |
| Shandong Jinshenrun Chem | China national standards | MT | 590.48 | USD | 20250919 |
| Shandong Jinshenrun Chem | China national standards | MT | 618.6 | USD | 20250919 |