| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin EC | China national standards | MT | 762.83 | USD | 20251129 |
| Luxi Chem | China national standards | MT | 808.04 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1257.26 | USD | 20251129 |
| Shandong Haili Chem | China national standards | MT | 808.04 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 1101.87 | USD | 20251129 |
| Luxi Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Jinan Qi Mat | China national standards | MT | 762.83 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Jinwen Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1175.32 | USD | 20251128 |