| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1906.11 | USD | 20251114 |
| Shandong Zhenkun | China national standards | MT | 1454.29 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 2823.86 | USD | 20251114 |
| Shandong Dongyue | China national standards | MT | 1835.51 | USD | 20251114 |
| Liaocheng Yuanze Chem | China national standards | MT | 1539.0 | USD | 20251114 |
| Jinan Jinrihe Chem | China national standards | MT | 2822.27 | USD | 20251113 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.14 | USD | 20251113 |
| Shandong Dongyue | China national standards | MT | 1834.47 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1905.03 | USD | 20251113 |
| Liaocheng Yuanze Chem | China national standards | MT | 1538.83 | USD | 20251112 |