| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250908 | |
| Shandong Chambroad | China national standards | MT | USD | 20250908 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20250908 | |
| Dongying Yatong | China national standards | MT | USD | 20250908 | |
| Wudi Xinyue Chem | China national standards | MT | USD | 20250908 | |
| Binzhou Youtai | China national standards | MT | USD | 20250908 | |
| Qicheng Shandong Petro | China national standards | MT | USD | 20250908 | |
| SD Dongfang Hualong | China national standards | MT | USD | 20250908 | |
| Panjin Huajin | China national standards | MT | USD | 20250908 | |
| CNPC | China national standards | MT | USD | 20250905 |
