| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chem | China national standards | MT | 931.47 | USD | 20251110 |
| Shandong Yushuo Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Sinopec | China national standards | MT | 867.96 | USD | 20251110 |
| Shandong Yushuo Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Sinopec | China national standards | MT | 867.96 | USD | 20251110 |
| Lihuayi Shandong | China national standards | MT | 1326.63 | USD | 20251110 |
| Aite Zhejiang | China national standards | MT | 1312.52 | USD | 20251110 |
| Shandong Shuojia Chem | China national standards | MT | 865.13 | USD | 20251110 |
| Lihuayi Shandong | China national standards | MT | 867.96 | USD | 20251110 |
| Beijing Yanshan Petro | China national standards | MT | 865.13 | USD | 20251110 |