| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 649.13 | USD | 20251030 |
| Shandong Yushuo Chem | China national standards | MT | 846.69 | USD | 20251030 |
| Qingdao Shengze Chem | Industrial Grade | MT | 846.69 | USD | 20251030 |
| Shandong Jinshenrun Chem | Industrial Grade | MT | 903.14 | USD | 20251030 |
| Guang Longyu Chem | China national standards | MT | 1340.6 | USD | 20251030 |
| Shanghai Lanyan | China national standards | MT | 1340.6 | USD | 20251030 |
| Qingdao Shengze Chem | Industrial Grade | MT | 846.69 | USD | 20251030 |
| Weifang Mingbo Chem | China national standards | MT | 649.13 | USD | 20251030 |
| Shandong Aite Chem | China national standards | MT | 1100.7 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 938.42 | USD | 20251030 |