| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Haili Chem | China national standards | MT | 1696.02 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1175.91 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 1696.02 | USD | 20251203 |
| JS Yangnong Chem | China national standards | MT | 855.08 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 1512.28 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1187.21 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 1696.02 | USD | 20251203 |