| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 593.56 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 592.94 | USD | 20251112 |
| Jinan Pulaihua Chem | China national standards | MT | 592.67 | USD | 20251111 |
| Jinan Pulaihua Chem | China national standards | MT | 592.55 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 591.93 | USD | 20251022 |
| Jinan Pulaihua Chem | China national standards | MT | 592.13 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 591.97 | USD | 20251017 |
| Jinan Pulaihua Chem | China national standards | MT | 591.82 | USD | 20251016 |
| Jinan Pulaihua Chem | China national standards | MT | 591.59 | USD | 20251015 |
| Jinan Pulaihua Chem | China national standards | MT | 591.37 | USD | 20251014 |