| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1115.25 | USD | 20251107 |
| Shandong Xima | China national standards | MT | 889.38 | USD | 20251107 |
| Beijing Yanshan Petro | China national standards | MT | 1058.78 | USD | 20251107 |
| Sinopec | China national standards | MT | 1030.55 | USD | 20251107 |
| Shandong Qiangsen Chem | China national standards | MT | 931.73 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 995.26 | USD | 20251107 |
| Shandong Zhiheng | China national standards | MT | 907.36 | USD | 20251106 |
| Shandong Junfeng | China national standards | MT | 917.24 | USD | 20251106 |
| Shandong Junfeng | China national standards | MT | 987.79 | USD | 20251106 |
| Shandong Hongyang Chem | China national standards | MT | 907.36 | USD | 20251106 |