| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 240.29 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 318.03 | USD | 20251206 |
| Shandong Zhenkun | China national standards | MT | 303.89 | USD | 20251206 |
| Luxi Chem | China national standards | MT | 303.89 | USD | 20251206 |
| Jinan Jinhao Chem | China national standards | MT | 395.77 | USD | 20251206 |
| Jinan Jinhao Chem | China national standards | MT | 395.77 | USD | 20251206 |
| Shandong Jinling Chem | China national standards | MT | 452.3 | USD | 20251206 |
| Shandong Jinling Chem | China national standards | MT | 452.3 | USD | 20251206 |
| Luxi Chem | China national standards | MT | 339.23 | USD | 20251206 |
| Shandong Jinling Chem | China national standards | MT | 240.29 | USD | 20251205 |