| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 860.67 | USD | 20251121 |
| Shanghai Lanyan | China national standards | MT | 1340.39 | USD | 20251121 |
| Shandong Xingpeng Chem | China national standards | MT | 649.03 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 818.34 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 818.34 | USD | 20251121 |
| Qingdao Shengze Chem | Industrial Grade | MT | 846.56 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Nantong Zhonghe Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Hubei 789 Chem | China national standards | MT | 917.11 | USD | 20251121 |
| Hubei 789 Chem | China national standards | MT | 917.11 | USD | 20251121 |