| Vendor | Spec | Unit | Price | Currency | Date |
| Heze Sirloong Chem | China national standards | MT | 7349.51 | USD | 20251210 |
| Heze Sirloong Chem | China national standards | MT | 7348.37 | USD | 20251208 |
| Heze Sirloong Chem | China national standards | MT | 7351.59 | USD | 20251204 |
| Unknown | China national standards | MT | 7627.77 | USD | 20251202 |
| Unknown | China national standards | MT | 7628.3 | USD | 20251128 |
| Unknown | China national standards | MT | 7624.32 | USD | 20251125 |
| Unknown | China national standards | MT | 7619.05 | USD | 20251121 |
| Unknown | China national standards | MT | 7621.09 | USD | 20251118 |
| Heze Sirloong Chem | China national standards | MT | 7342.04 | USD | 20251114 |
| Zibo Angela | China national standards | MT | 7483.23 | USD | 20251114 |