| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Yushuo Chem | China national standards | MT | USD | 20250930 | |
| Jinan Dezheng Chem | China national standards | MT | USD | 20250930 | |
| CNPC | China national standards | MT | USD | 20250930 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20250930 | |
| Zibo Lishuo Chem | China national standards | MT | USD | 20250930 | |
| Shandong Aite Chem | China national standards | MT | USD | 20250930 | |
| Shandong Jiaen Chem | China national standards | MT | USD | 20250930 | |
| Nantong Zhonghe Chem | China national standards | MT | USD | 20250930 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250930 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20250930 |
