| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1283.0 | USD | 20260428 |
| Shandong HHL | China national standards | MT | 1312.16 | USD | 20260428 |
| Lihuayi Shandong | China national standards | MT | 1283.19 | USD | 20260427 |
| Luxi Chem | China national standards | MT | 1297.77 | USD | 20260427 |
| Shandong HHL | China national standards | MT | 1326.94 | USD | 20260427 |
| Lihuayi Shandong | China national standards | MT | 1295.98 | USD | 20260424 |
| Shandong HHL | China national standards | MT | 1354.22 | USD | 20260424 |
| Lihuayi Shandong | China national standards | MT | 1325.85 | USD | 20260423 |
| Lihuayi Shandong | China national standards | MT | USD | 20260417 | |
| Lihuayi Shandong | China national standards | MT | USD | 20260416 |