| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong Qiangsen Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shaanxi Petro Yanan | China national standards | MT | 1059.85 | USD | 20251010 |
| Wanhua Chem | China national standards | MT | 1020.44 | USD | 20251010 |
| Luxi Chem | China national standards | MT | 788.2 | USD | 20251010 |
| Luxi Chem | China national standards | MT | 1055.62 | USD | 20251010 |
| Shandong Energy | China national standards | MT | 1013.4 | USD | 20251010 |
| Aite Zhejiang | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Junfeng | China national standards | MT | 2181.62 | USD | 20251010 |
| Shandong Junfeng | China national standards | MT | 2153.47 | USD | 20251010 |