| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 508.29 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 578.88 | USD | 20251125 |
| Shandong Fusheng | China national standards | MT | 508.29 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 628.3 | USD | 20251125 |
| Zaozhuang Yitai | China national standards | MT | 607.12 | USD | 20251125 |
| Sinopec | China national standards | MT | 677.72 | USD | 20251125 |
| Shandong LuoHeng Chem | China national standards | MT | 578.88 | USD | 20251125 |
| Shandong Qiangsen Chem | China national standards | MT | 508.29 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 635.36 | USD | 20251125 |