| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dalian Fujia | China national standards | MT | USD | 20250819 | |
| Shandong Langchem | China national standards | MT | USD | 20250819 | |
| CNPC | China national standards | MT | USD | 20250819 | |
| Sinopec | China national standards | MT | USD | 20250819 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250819 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250819 | |
| Shandong Mengkanda Chem | China national standards | MT | USD | 20250819 | |
| Huaibei Beike | China national standards | MT | USD | 20250818 | |
| Anyang Yutian | China national standards | MT | USD | 20250818 | |
| Henan Pioneer Chem | China national standards | MT | USD | 20250818 |
