| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.66 | USD | 20251014 |
| Qingdao Shengze Chem | Industrial Grade | MT | 816.66 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 1013.78 | USD | 20251014 |
| Shandong Wells Chem | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Wells Chem | China national standards | MT | 1013.78 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Wells Chem | China national standards | MT | 732.18 | USD | 20251014 |