| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 768.81 | USD | 20251201 |
| Jinan Qi Mat | China national standards | MT | 703.8 | USD | 20251201 |
| Liao Jinxinda | China national standards | MT | 657.16 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 918.61 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 706.62 | USD | 20251201 |
| Anhui Ruibai | China national standards | MT | 703.8 | USD | 20251201 |
| Jiangsu Lianhai Bio | China national standards | MT | 749.02 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 706.62 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Yankuang Guotai Chem | China national standards | MT | 734.89 | USD | 20251201 |