| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Nantong Zhonghe Chem | China national standards | MT | USD | 20251031 | |
| Liaocheng Yuanze Chem | China national standards | MT | USD | 20251031 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251031 | |
| CNPC | China national standards | MT | USD | 20251031 | |
| Shandong Mingyu | China national standards | MT | USD | 20251031 | |
| Shaanxi Lufeng Chem | China national standards | MT | USD | 20251031 | |
| Shandong Jiaen Chem | China national standards | MT | USD | 20251031 | |
| CNPC | China national standards | MT | USD | 20251031 | |
| Wanhua Chem | China national standards | MT | USD | 20251031 | |
| Jiangsu Huachang Chem | China national standards | MT | USD | 20251031 |
