| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 268.15 | USD | 20251118 |
| Shanghai Guoke | China national standards | MT | 458.68 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 246.98 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 246.98 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 352.83 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 246.98 | USD | 20251118 |
| Luxi Chem | China national standards | MT | 324.6 | USD | 20251118 |
| Shandong Jinling Chem | China national standards | MT | 242.75 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 324.6 | USD | 20251118 |
| Shandong Jinling Chem | China national standards | MT | 245.57 | USD | 20251118 |