| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Jinwen Chem | China national standards | MT | USD | 20251208 | |
| CNPC | China national standards | MT | USD | 20251208 | |
| Shandong Langchem | China national standards | MT | USD | 20251208 | |
| Sinopec | China national standards | MT | USD | 20251208 | |
| CNPC | China national standards | MT | USD | 20251208 | |
| Zaozhuang Yitai | China national standards | MT | USD | 20251208 | |
| Shanghai Guoke | China national standards | MT | USD | 20251208 | |
| Shandong Jinshenrun Chem | China national standards | MT | USD | 20251208 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251208 | |
| Jinan Angxin Chem | China national standards | MT | USD | 20251208 |
