| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Xingpeng Chem | China national standards | MT | USD | 20251206 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20251206 | |
| Shandong Zhenkun | China national standards | MT | USD | 20251206 | |
| Chongqing Changfeng | China national standards | MT | USD | 20251205 | |
| Sinopec | China national standards | MT | USD | 20251205 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20251205 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20251205 | |
| Changzhou Juyun Mat | China national standards | MT | USD | 20251205 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20251205 | |
| Shandong Junfeng | China national standards | MT | USD | 20251205 |