| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1107.74 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1114.8 | USD | 20251113 |
| Shandong Qiangsen Chem | China national standards | MT | 931.35 | USD | 20251113 |
| Shandong Junfeng | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1128.91 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 917.24 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1100.68 | USD | 20251113 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.91 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 874.9 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.85 | USD | 20251113 |