| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 733.88 | USD | 20251118 |
| Shandong Wells Chem | China national standards | MT | 818.56 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Wells Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 748.0 | USD | 20251118 |
| Aite Zhejiang | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Langchem | Industrial Grade | MT | 910.3 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 938.52 | USD | 20251118 |