| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 452.02 | USD | 20251202 |
| Changzhou Juyun Mat | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Xima | Industrial Grade | MT | 494.39 | USD | 20251202 |
| Hubei 789 Chem | China national standards | MT | 452.02 | USD | 20251202 |
| Shandong Yifei | China national standards | MT | 1059.94 | USD | 20251201 |
| Shandong Yifei | Industrial Grade | MT | 1059.94 | USD | 20251201 |
| Shandong Yifei | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Yifei | China national standards | MT | 1413.25 | USD | 20251201 |
| Huaye Qingdao Energy | Industrial Grade | MT | 579.43 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 869.15 | USD | 20251201 |