| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongyue | China national standards | MT | 1837.48 | USD | 20251205 |
| Shandong Zhenkun | China national standards | MT | 1455.85 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.9 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1908.15 | USD | 20251205 |
| Shandong Yuxuan Chem | China national standards | MT | 1837.9 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1908.59 | USD | 20251204 |
| Shandong Luxi Chem | China national standards | MT | 1541.01 | USD | 20251204 |
| Jinan Jinrihe Chem | China national standards | MT | 2827.53 | USD | 20251204 |
| Shandong Dongyue | China national standards | MT | 1837.9 | USD | 20251204 |
| Shandong Yuxuan Chem | China national standards | MT | 1766.68 | USD | 20251203 |