| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Shandong Yaoming Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Xiamen Yudeshun Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 1031.6 | USD | 20251208 |
| Wanhua Yantai | China national standards | MT | 777.23 | USD | 20251208 |
| Sinopec | China national standards | MT | 777.23 | USD | 20251208 |
| Sinopec | China national standards | MT | 791.53 | USD | 20251207 |
| Wanhua Yantai | China national standards | MT | 791.53 | USD | 20251207 |
| Shandong Yihe Chem | China national standards | MT | 791.53 | USD | 20251207 |
| Jinan Qi Mat | China national standards | MT | 1031.82 | USD | 20251207 |