| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Haiwan | China national standards | MT | 1820.86 | USD | 20260409 |
| Nantong Nanya | China national standards | MT | 1820.86 | USD | 20260409 |
| HLJ Longjiang Chem | China national standards | MT | 1820.86 | USD | 20260409 |
| Qingdao Haiwan | China national standards | MT | 1820.03 | USD | 20260408 |
| Nantong Xingchen | China national standards | MT | 1820.03 | USD | 20260408 |
| Changshu Heyi | China national standards | MT | 1747.23 | USD | 20260408 |
| Nantong Nanya | China national standards | MT | 1820.03 | USD | 20260408 |
| HLJ Longjiang Chem | China national standards | MT | 1820.03 | USD | 20260408 |
| Qingdao Haiwan | China national standards | MT | 1815.44 | USD | 20260407 |
| Nantong Xingchen | China national standards | MT | 1815.44 | USD | 20260407 |