| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20250305 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20250305 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20250305 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20250305 | |
| Shandong Jinling | China national standards | MT | USD | 20250305 | |
| Chongqing Changfeng | China national standards | MT | USD | 20250304 | |
| Sinopec | China national standards | MT | USD | 20250304 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20250304 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20250304 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20250304 |
