| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20251017 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251017 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20251017 | |
| Liaocheng Yuanze Chem | China national standards | MT | USD | 20251017 | |
| CNPC | China national standards | MT | USD | 20251017 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251017 | |
| Jinan Dezheng Chem | China national standards | MT | USD | 20251017 | |
| Shandong Jiaen Chem | China national standards | MT | USD | 20251017 | |
| Wanhua Chem | China national standards | MT | USD | 20251017 | |
| Shandong Junfeng | China national standards | MT | USD | 20251017 |
