| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Longmao Chem | Industrial Grade | MT | 4369.03 | USD | 20251022 |
| Weifang Longmao Chem | Industrial Grade | MT | 4370.51 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 4934.44 | USD | 20251021 |
| Shouguang ZixuChem | Industrial Grade | MT | 4229.52 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 4934.44 | USD | 20251021 |
| Shouguang ZixuChem | Industrial Grade | MT | 3945.16 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 4931.45 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 4931.45 | USD | 20251020 |
| Weifang Longmao Chem | Industrial Grade | MT | 4226.96 | USD | 20251020 |
| Weifang Sutong Chem | China national standards | MT | 4015.61 | USD | 20251020 |