| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 1909.85 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1909.85 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 2829.41 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 1457.15 | USD | 20251211 |
| Shandong Dongyue | China national standards | MT | 1908.05 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 2826.74 | USD | 20251210 |
| Liaocheng Yuanze Chem | China national standards | MT | 1908.05 | USD | 20251210 |
| Shandong Zhenkun | China national standards | MT | 1455.77 | USD | 20251210 |
| Shandong Yuxuan Chem | China national standards | MT | 1837.38 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1908.05 | USD | 20251210 |