| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling | China national standards | MT | 1660.5 | USD | 20260410 |
| Huai'an Fuqiang | China national standards | MT | 1675.07 | USD | 20260410 |
| Dongying Huatai Chem | China national standards | MT | 1660.5 | USD | 20260410 |
| Chongqing Changfeng | China national standards | MT | 1704.2 | USD | 20260410 |
| Chongqing Changfeng | China national standards | MT | 1704.2 | USD | 20260410 |
| Shandong Jinling | China national standards | MT | 1660.5 | USD | 20260410 |
| Dongying Huatai Chem | China national standards | MT | 1660.5 | USD | 20260410 |
| Dongying Jinmao Alum | China national standards | MT | 1660.5 | USD | 20260410 |
| Sinopec | China national standards | MT | 1696.91 | USD | 20260410 |
| Huai'an Fuqiang | China national standards | MT | 1675.07 | USD | 20260410 |