| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 932.88 | USD | 20251205 |
| Dongying Huatai Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1399.63 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Lifuda | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 1081.53 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1215.84 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Lifuda | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Junfeng | China national standards | MT | 933.09 | USD | 20251204 |