| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Zibo Lishuo Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.64 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.64 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 890.28 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 748.97 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.64 | USD | 20251208 |