| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 846.5 | USD | 20251102 |
| Shandong Daoqin Chem | China national standards | MT | 987.58 | USD | 20251102 |
| Shandong Aite Chem | China national standards | MT | 917.04 | USD | 20251101 |
| Shandong Wells Chem | China national standards | MT | 909.99 | USD | 20251101 |
| Shanghai Ronghe Chem | China national standards | MT | 846.5 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 902.93 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 945.26 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 846.5 | USD | 20251101 |
| Shandong Daoqin Chem | China national standards | MT | 987.58 | USD | 20251101 |
| Guangzhou Tianyue Chem | China national standards | MT | 959.37 | USD | 20251101 |