| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1297.51 | USD | 20251120 |
| Nanjing Runsheng Petro | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Langchem | China national standards | MT | 1332.77 | USD | 20251120 |
| Zibo Lishuo Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Beijing Yanshan Petro | China national standards | MT | 1156.48 | USD | 20251120 |
| Lihuayi Shandong | China national standards | MT | 987.24 | USD | 20251120 |
| Sinopec | China national standards | MT | 1128.27 | USD | 20251120 |
| Lihuayi Shandong | China national standards | MT | 1325.72 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 1043.65 | USD | 20251120 |
| Shandong Yuhuang Chem | China national standards | MT | 1290.46 | USD | 20251120 |