| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 818.34 | USD | 20251122 |
| Shandong Xingpeng Chem | China national standards | MT | 649.03 | USD | 20251122 |
| Qingdao Shengze Chem | Industrial Grade | MT | 846.56 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 846.56 | USD | 20251122 |
| Shanghai Ronghe Chem | China national standards | MT | 846.56 | USD | 20251122 |
| Guangzhou Tianyue Chem | China national standards | MT | 959.44 | USD | 20251122 |
| Guangzhou Tianyue Chem | China national standards | MT | 959.44 | USD | 20251122 |
| Shanghai Juexin | China national standards | MT | 1029.98 | USD | 20251122 |
| Shanghai Juexin | China national standards | MT | 1340.39 | USD | 20251122 |
| Shandong Daoqin Chem | China national standards | MT | 987.65 | USD | 20251122 |