| Vendor | Spec | Unit | Price | Currency | Date |
| Huaye Qingdao Energy | Industrial Grade | MT | 593.52 | USD | 20251208 |
| Shandong Yifei | Industrial Grade | MT | 1059.86 | USD | 20251208 |
| Hubei 789 Chem | China national standards | MT | 452.21 | USD | 20251208 |
| Changzhou Juyun Mat | China national standards | MT | 635.92 | USD | 20251208 |
| Shandong Xima | Industrial Grade | MT | 494.71 | USD | 20251206 |
| Changzhou Juyun Mat | China national standards | MT | 819.8 | USD | 20251206 |
| Shandong Qiangsen Chem | China national standards | MT | 565.38 | USD | 20251206 |
| Changzhou Juyun Mat | China national standards | MT | 636.05 | USD | 20251206 |
| Changzhou Juyun Mat | Industrial Grade | MT | 1017.68 | USD | 20251206 |
| Changzhou Juyun Mat | China national standards | MT | 621.92 | USD | 20251206 |