| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 749.13 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 833.93 | USD | 20251206 |
| Shandong Daoqin Chem | China national standards | MT | 989.41 | USD | 20251206 |
| Shandong Wells Chem | China national standards | MT | 869.27 | USD | 20251206 |
| Shandong Wells Chem | China national standards | MT | 869.27 | USD | 20251206 |
| Shanghai Juexin | China national standards | MT | 989.41 | USD | 20251206 |
| Shanghai Juexin | China national standards | MT | 1342.78 | USD | 20251206 |
| Shandong Fusheng | China national standards | MT | 791.53 | USD | 20251205 |
| Shandong Fusheng | Industrial Grade | MT | 798.6 | USD | 20251205 |
| Shandong Fusheng | China national standards | MT | 819.8 | USD | 20251205 |