| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 888.51 | USD | 20251120 |
| Shandong Laya Chem | China national standards | MT | 789.79 | USD | 20251120 |
| Hubei 789 Chem | China national standards | MT | 818.0 | USD | 20251120 |
| Wanhua Yantai | China national standards | MT | 895.56 | USD | 20251120 |
| Shandong Kaitai Petro | China national standards | MT | 916.72 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 916.72 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 1241.1 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 818.0 | USD | 20251120 |
| Sinopec | China national standards | MT | 888.51 | USD | 20251120 |