| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251031 | |
| Qingdao Chengxin Chem | China national standards | MT | USD | 20251031 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20251031 | |
| Chongqing Changfeng | China national standards | MT | USD | 20251030 | |
| Sinopec | China national standards | MT | USD | 20251030 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20251030 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20251030 | |
| Shandong Jinling | China national standards | MT | USD | 20251030 | |
| Shandong Zhenkun | China national standards | MT | USD | 20251030 | |
| Changzhou Juyun Mat | China national standards | MT | USD | 20251030 |
