| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chem | China national standards | MT | 337.21 | USD | 20251121 |
| Shandong Jinling Chem | China national standards | MT | 242.68 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 345.68 | USD | 20251121 |
| Shandong Yihe Chem | China national standards | MT | 232.8 | USD | 20251121 |
| Shandong Zhenkun | China national standards | MT | 303.35 | USD | 20251121 |
| Shandong Jinling Chem | China national standards | MT | 242.68 | USD | 20251121 |
| Shanghai Guoke | China national standards | MT | 458.55 | USD | 20251121 |
| Luxi Chem | China national standards | MT | 289.24 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 352.73 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 268.08 | USD | 20251121 |