| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 805.85 | USD | 20251204 |
| Shandong Zhiheng | China national standards | MT | 1017.91 | USD | 20251204 |
| Shanghai Lanyan | China national standards | MT | 1343.08 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 848.26 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 827.05 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 827.05 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 827.05 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 827.05 | USD | 20251204 |