| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 904.1 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 939.41 | USD | 20251129 |
| Shandong Langchem | Industrial Grade | MT | 911.16 | USD | 20251129 |
| Shandong Wells Chem | China national standards | MT | 911.16 | USD | 20251129 |
| Shandong Daoqin Chem | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Xingpeng Chem | China national standards | MT | 649.82 | USD | 20251129 |
| Shandong Langchem | Industrial Grade | MT | 911.16 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 939.41 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 904.1 | USD | 20251128 |
| Shandong Wells Chem | China national standards | MT | 911.16 | USD | 20251128 |