| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Chongqing Changfeng | China national standards | MT | USD | 20251118 | |
| Sinopec | China national standards | MT | USD | 20251118 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20251118 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20251118 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251118 | |
| Shandong LuoHeng Chem | China national standards | MT | USD | 20251118 | |
| Shandong Yaowang Chem | China national standards | MT | USD | 20251118 | |
| Shandong Jinling | China national standards | MT | USD | 20251118 | |
| CNPC | China national standards | MT | USD | 20251118 | |
| Nanjing Runhua Chem | China national standards | MT | USD | 20251118 |
