| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 958.48 | USD | 20250728 |
| Qingdao Shengze Chem | China national standards | MT | 1106.15 | USD | 20250727 |
| Qingdao Shengze Chem | China national standards | MT | 1106.15 | USD | 20250726 |
| Shandong Fusheng | China national standards | MT | 959.13 | USD | 20250725 |
| Shandong Fusheng | China national standards | MT | 959.13 | USD | 20250725 |
| Qingdao Shengze Chem | China national standards | MT | 1106.68 | USD | 20250724 |
| Shandong Fusheng | China national standards | MT | 959.59 | USD | 20250724 |
| Shandong Fusheng | China national standards | MT | 959.59 | USD | 20250724 |
| Qingdao Shengze Chem | China national standards | MT | 1106.23 | USD | 20250723 |
| Shandong Fusheng | China national standards | MT | 959.2 | USD | 20250723 |