| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Jintai Chem | China national standards | MT | 846.5 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 938.21 | USD | 20251101 |
| Shandong Mingyu | China national standards | MT | 902.93 | USD | 20251101 |
| Shandong Xingpeng Chem | China national standards | MT | 648.98 | USD | 20251101 |
| Shandong Mingyu | China national standards | MT | 902.93 | USD | 20251101 |
| Shandong Wells Chem | China national standards | MT | 846.5 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 945.26 | USD | 20251101 |
| Shanghai Ronghe Chem | China national standards | MT | 846.5 | USD | 20251101 |
| Qingdao Shengze Chem | China national standards | MT | 846.5 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 938.21 | USD | 20251031 |