| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Mengkanda Chem | China national standards | MT | USD | 20251112 | |
| Shandong Jinling Chem | China national standards | MT | USD | 20251112 | |
| Chongqing Changfeng | China national standards | MT | USD | 20251111 | |
| Sinopec | China national standards | MT | USD | 20251111 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20251111 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20251111 | |
| Shandong Huize Chem | China national standards | MT | USD | 20251111 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251111 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251111 | |
| Shandong Zhenkun | China national standards | MT | USD | 20251111 |
