| 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 | USD | 20251202 | |
| Unknown | China national standards | MT | USD | 20251128 | |
| Unknown | China national standards | MT | USD | 20251125 | |
| Unknown | China national standards | MT | USD | 20251121 | |
| Unknown | China national standards | MT | USD | 20251118 | |
| Unknown | China national standards | MT | USD | 20251114 | |
| Zibo Angela | China national standards | MT | USD | 20251114 |