| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251119 | |
| Kunlun Daqing Petro | China national standards | MT | USD | 20251119 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251119 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251119 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251119 | |
| Jinan Qi Mat | China national standards | MT | USD | 20251119 | |
| CNPC | China national standards | MT | USD | 20251119 | |
| Lihuayi Shandong | China national standards | MT | USD | 20251119 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20251119 | |
| Shandong Qiancheng | China national standards | MT | USD | 20251119 |
