| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 2822.98 | USD | 20251124 |
| Jinan Jinrihe Chem | China national standards | MT | 2821.87 | USD | 20251123 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.92 | USD | 20251123 |
| Shandong Dongyue | China national standards | MT | 1834.22 | USD | 20251123 |
| Liaocheng Yuanze Chem | China national standards | MT | 1537.92 | USD | 20251122 |
| Shandong Yuxuan Chem | China national standards | MT | 1763.67 | USD | 20251122 |
| Shandong Dongyue | China national standards | MT | 1834.22 | USD | 20251122 |
| Shandong Dongyue | China national standards | MT | 1834.22 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 2821.87 | USD | 20251121 |
| Shandong Zhenkun | China national standards | MT | 1453.26 | USD | 20251121 |