| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 1384.98 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1383.54 | USD | 20251112 |
| Jinan Pulaihua Chem | China national standards | MT | 1382.89 | USD | 20251111 |
| Jinan Pulaihua Chem | China national standards | MT | 1382.62 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1381.18 | USD | 20251022 |
| Jinan Pulaihua Chem | China national standards | MT | 1381.64 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 1381.27 | USD | 20251017 |
| Jinan Pulaihua Chem | China national standards | MT | 1380.9 | USD | 20251016 |
| Jinan Pulaihua Chem | China national standards | MT | 1380.38 | USD | 20251015 |
| Jinan Pulaihua Chem | China national standards | MT | 1379.87 | USD | 20251014 |