| Vendor | Spec | Unit | Price | Currency | Date |
| Shouguang ZixuChem | Industrial Grade | MT | 4230.24 | USD | 20251023 |
| Weifang Longmao Chem | Industrial Grade | MT | 4371.25 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 4935.28 | USD | 20251023 |
| Weifang Yahua Chem | Industrial Grade | MT | 4230.24 | USD | 20251023 |
| Weifang Sutong Chem | China national standards | MT | 4371.25 | USD | 20251023 |
| Shandong Zhiheng | China national standards | MT | 4935.28 | USD | 20251023 |
| Weifang Sutong Chem | China national standards | MT | 4230.24 | USD | 20251023 |
| Weifang Longmao Chem | Industrial Grade | MT | 4369.03 | USD | 20251022 |
| Shandong Zhiheng | China national standards | MT | 4932.77 | USD | 20251022 |
| Shouguang ZixuChem | Industrial Grade | MT | 4228.09 | USD | 20251022 |