| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 998.52 | USD | 20251120 |
| Jinan Aochen Chem | China national standards | MT | 1551.37 | USD | 20251120 |
| Shandong Xima | China national standards | MT | 916.72 | USD | 20251120 |
| Shandong Jinling Chem | China national standards | MT | 1057.75 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 1480.85 | USD | 20251120 |
| Shandong Xingpeng Chem | China national standards | MT | 1114.17 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 1480.85 | USD | 20251120 |
| Dongying Huatai Chem | China national standards | MT | 1480.85 | USD | 20251120 |
| Shandong Junfeng | China national standards | MT | 930.82 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 1156.48 | USD | 20251120 |