| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1200.92 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 899.77 | USD | 20251126 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.45 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 899.77 | USD | 20251126 |
| Shandong Jinwen Chem | China national standards | MT | 1200.63 | USD | 20251126 |
| Lihuayi Shandong | China national standards | MT | 894.12 | USD | 20251126 |
| Beijing Yanshan Petro | China national standards | MT | 894.12 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 899.77 | USD | 20251126 |
| Sinopec | China national standards | MT | 894.12 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1334.82 | USD | 20251126 |