| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 867.84 | USD | 20251111 |
| Shandong Xima | China national standards | MT | 973.67 | USD | 20251111 |
| Aite Zhejiang | China national standards | MT | 1157.11 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1192.39 | USD | 20251111 |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Sinopec | China national standards | MT | 1227.67 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1333.5 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 865.01 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.45 | USD | 20251111 |
| CNPC | China national standards | MT | 1213.56 | USD | 20251111 |