| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 970.38 | USD | 20250922 |
| Qingdao Shengze Chem | China national standards | MT | 970.38 | USD | 20250922 |
| Qingdao Shengze Chem | China national standards | MT | 970.38 | USD | 20250922 |
| Qingdao Shengze Chem | China national standards | MT | 970.38 | USD | 20250922 |
| Qingdao Shengze Chem | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1265.72 | USD | 20250922 |
| Shandong Hualu | China national standards | MT | 991.48 | USD | 20250922 |
| Shandong Huize Chem | China national standards | MT | 1040.7 | USD | 20250922 |
| Shandong Huize Chem | China national standards | MT | 1040.7 | USD | 20250922 |
| Nantong Zhonghe Chem | China national standards | MT | 1116.64 | USD | 20250922 |