| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250919 | |
| Lihuayi Shandong | China national standards | MT | USD | 20250919 | |
| Jinan Dezheng Chem | China national standards | MT | USD | 20250919 | |
| Qingdao Chengxin Chem | China national standards | MT | USD | 20250919 | |
| Luxi Chem | China national standards | MT | USD | 20250919 | |
| Shandong Huize Chem | China national standards | MT | USD | 20250919 | |
| CNPC | China national standards | MT | USD | 20250918 | |
| Lijin Lihuayi | China national standards | MT | USD | 20250918 | |
| Shandong Hualu | China national standards | MT | USD | 20250918 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20250918 |
