| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Jinling Chem | China national standards | MT | USD | 20251016 | |
| Qingdao Chengxin Chem | China national standards | MT | USD | 20251016 | |
| Chongqing Changfeng | China national standards | MT | USD | 20251015 | |
| Sinopec | China national standards | MT | USD | 20251015 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20251015 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20251015 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251015 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251015 | |
| Shandong Langchem | China national standards | MT | USD | 20251015 | |
| Shandong Jinwen Chem | China national standards | MT | USD | 20251015 |
