| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 2190.72 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 1024.69 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 2162.45 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 742.02 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 961.09 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 706.68 | USD | 20251210 |