| 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 |
| Heze Sirloong Chem | China national standards | MT | USD | 20251114 | |
| Heze Sirloong Chem | China national standards | MT | USD | 20251111 | |
| Heze Sirloong Chem | China national standards | MT | USD | 20251107 | |
| Heze Sirloong Chem | China national standards | MT | USD | 20251104 | |
| Heze Sirloong Chem | China national standards | MT | USD | 20251021 | |
| Heze Sirloong Chem | China national standards | MT | USD | 20251017 | |
| Heze Sirloong Chem | China national standards | MT | USD | 20251015 |