| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Jiangsu Highchem Catalyst | China national standards | MT | USD | 20251028 | |
| Sinopec | China national standards | MT | USD | 20251028 | |
| CNPC | China national standards | MT | USD | 20251028 | |
| Harbin BLUE STAR | China national standards | MT | USD | 20251028 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20251028 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251028 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251028 | |
| Jinan Jinrihe Chem | China national standards | MT | USD | 20251028 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251028 | |
| Shanghai Guoke | China national standards | MT | USD | 20251028 |
