| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Huize Chem | China national standards | MT | USD | 20251015 | |
| CNPC | China national standards | MT | USD | 20251015 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251015 | |
| Shandong Mingyu | China national standards | MT | USD | 20251015 | |
| Shandong Laya Chem | China national standards | MT | USD | 20251015 | |
| Jinan Dezheng Chem | China national standards | MT | USD | 20251015 | |
| Jinan Zhongyin Mat | China national standards | MT | USD | 20251015 | |
| Lihuayi Shandong | China national standards | MT | USD | 20251015 | |
| Zaozhuang Yitai | China national standards | MT | USD | 20251015 | |
| Zibo Renhao | China national standards | MT | USD | 20251015 |
