| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20251204 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251204 | |
| Shandong Junfeng | China national standards | MT | USD | 20251204 | |
| Dongying Huatai Chem | China national standards | MT | USD | 20251204 | |
| Shandong Jinling Chem | China national standards | MT | USD | 20251204 | |
| Shandong Lifuda | China national standards | MT | USD | 20251204 | |
| Chongqing Changfeng | China national standards | MT | USD | 20251203 | |
| Sinopec | China national standards | MT | USD | 20251203 | |
| Huai'an Fuqiang | China national standards | MT | USD | 20251203 | |
| Dongying Jinmao Alum | China national standards | MT | USD | 20251203 |
