| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 760.85 | USD | 20251020 |
| Shandong Haili Chem | China national standards | MT | 760.85 | USD | 20251020 |
| Luxi Chem | China national standards | MT | 1099.01 | USD | 20251020 |
| Qingdao Shengze Chem | China national standards | MT | 774.94 | USD | 20251020 |
| Shandong Haili Chem | China national standards | MT | 774.94 | USD | 20251020 |
| Qingdao Shengze Chem | China national standards | MT | 774.94 | USD | 20251020 |
| Luxi Chem | China national standards | MT | 774.94 | USD | 20251020 |
| Jinan Jinrihe Chem | China national standards | MT | 1070.83 | USD | 20251020 |
| Jinan Jinrihe Chem | China national standards | MT | 845.39 | USD | 20251020 |
| Jinan Aochen Chem | China national standards | MT | 1352.63 | USD | 20251020 |