| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | 55% | MT | 635.96 | USD | 20251201 |
| Shandong Qiangsen Chem | 40% | MT | 494.64 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 494.64 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 494.64 | USD | 20251201 |
| Shandong Yushuo Chem | 40% | MT | 621.83 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 494.64 | USD | 20251201 |
| Shandong Qiangsen Chem | 55% | MT | 635.69 | USD | 20251129 |
| Shandong Rongnuo Chem | 55% | MT | 776.96 | USD | 20251129 |
| Shandong Rongnuo Chem | 40% | MT | 536.81 | USD | 20251129 |
| Shandong Qiangsen Chem | 40% | MT | 494.43 | USD | 20251129 |