| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 2825.1 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1906.94 | USD | 20251202 |
| Shandong Dongyue | China national standards | MT | 1836.31 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1907.88 | USD | 20251201 |
| Shandong Dongyue | China national standards | MT | 1837.22 | USD | 20251201 |
| Shandong Luxi Chem | China national standards | MT | 1540.44 | USD | 20251201 |
| Shandong Yuxuan Chem | China national standards | MT | 1766.56 | USD | 20251201 |
| Shandong Zhenkun | China national standards | MT | 1455.65 | USD | 20251201 |
| Shandong Dongyue | China national standards | MT | 1836.44 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 2825.3 | USD | 20251130 |