| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 768.1 | USD | 20251022 |
| Luxi Chem | China national standards | MT | 775.15 | USD | 20251022 |
| Shandong Yushuo Chem | China national standards | MT | 746.96 | USD | 20251022 |
| Lihuayi Shandong | China national standards | MT | 746.96 | USD | 20251022 |
| Luxi Chem | China national standards | MT | 746.96 | USD | 20251022 |
| Shandong Xingpeng Chem | China national standards | MT | 754.01 | USD | 20251022 |
| Zibo Lishuo Chem | China national standards | MT | 916.09 | USD | 20251022 |
| Zibo Lishuo Chem | China national standards | MT | 916.09 | USD | 20251022 |
| Zibo Lishuo Chem | China national standards | MT | 916.09 | USD | 20251022 |
| Zibo Lishuo Chem | China national standards | MT | 916.09 | USD | 20251022 |