| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Shuojia Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Shuojia Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 861.91 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Fusheng | China national standards | MT | 819.52 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Shuojia Chem | China national standards | MT | 989.08 | USD | 20251209 |