| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 690.07 | USD | 20251013 |
| JIN Yimeng | China national standards | MT | 690.07 | USD | 20251013 |
| Shandong Hanyue Chem | China national standards | MT | 704.16 | USD | 20251013 |
| Shandong Hanyue Chem | China national standards | MT | 704.16 | USD | 20251013 |
| Hubei 789 Chem | China national standards | MT | 767.53 | USD | 20251013 |
| Hubei 789 Chem | China national standards | MT | 767.53 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 633.74 | USD | 20251013 |