| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shanghai QianChem | China national standards | MT | USD | 20251201 | |
| Jinan Pulaihua Chem | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| Shandong Energy | China national standards | MT | USD | 20251201 | |
| Liao Jinxinda | China national standards | MT | USD | 20251201 | |
| Jinan Zhongyin Mat | China national standards | MT | USD | 20251201 | |
| Lihuayi Shandong | China national standards | MT | USD | 20251201 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251130 | |
| Shandong Jinshenrun Chem | China national standards | MT | USD | 20251130 | |
| Liaocheng Yuanze Chem | China national standards | MT | USD | 20251130 |
