| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 720.76 | USD | 20251201 |
| Anhui Ruibai | China national standards | MT | 812.62 | USD | 20251201 |
| JIN Yimeng | China national standards | MT | 706.62 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 734.89 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Yankuang Guotai Chem | China national standards | MT | 833.82 | USD | 20251201 |
| Yankuang Guotai Chem | China national standards | MT | 734.89 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 635.96 | USD | 20251201 |
| Changzhou Qidi Chem | China national standards | MT | 819.68 | USD | 20251201 |