| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shanghai SinoMitsui | China national standards | MT | USD | 20251016 | |
| Qingdao Chengxin Chem | China national standards | MT | USD | 20251016 | |
| Beijing Xinqr Petro | China national standards | MT | USD | 20251016 | |
| Jiangsu Highchem Catalyst | China national standards | MT | USD | 20251015 | |
| Sinopec | China national standards | MT | USD | 20251015 | |
| CNPC | China national standards | MT | USD | 20251015 | |
| Harbin BLUE STAR | China national standards | MT | USD | 20251015 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20251015 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251015 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251015 |
