| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251124 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251123 | |
| Wanhua Yantai | China national standards | MT | USD | 20251123 | |
| Wanhua Chem | China national standards | MT | USD | 20251123 | |
| CNPC | China national standards | MT | USD | 20251123 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251122 | |
| Shandong Xima | China national standards | MT | USD | 20251122 | |
| Shandong Laya Chem | China national standards | MT | USD | 20251122 | |
| Satellite Chem | China national standards | MT | USD | 20251122 | |
| Zibo Lishuo Chem | China national standards | MT | USD | 20251122 |
