| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Liaocheng Yuanze Chem | China national standards | MT | USD | 20251020 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20251020 | |
| Shandong Qiancheng | China national standards | MT | USD | 20251020 | |
| Shandong FUZE | China national standards | MT | USD | 20251020 | |
| Shandong Jinshenrun Chem | China national standards | MT | USD | 20251020 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251020 | |
| Nantong Zhonghe Chem | China national standards | MT | USD | 20251020 | |
| Shandong Energy | China national standards | MT | USD | 20251020 | |
| Jinan Jiaxing Chem | China national standards | MT | USD | 20251020 | |
| CNPC | China national standards | MT | USD | 20251020 |