| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 943.38 | USD | 20251014 |
| Luxi Chem | China national standards | MT | 971.54 | USD | 20251014 |
| Lihuayi Shandong | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 957.46 | USD | 20251014 |
| Lihuayi Shandong | China national standards | MT | 901.32 | USD | 20251013 |
| Jinan Zhongyin Mat | China national standards | MT | 788.65 | USD | 20251013 |
| Jinan Zhongyin Mat | China national standards | MT | 788.65 | USD | 20251013 |
| Changzhou Jiaye Chem | China national standards | MT | 1197.07 | USD | 20251013 |
| Lihuayi Shandong | China national standards | MT | 795.7 | USD | 20251013 |
| Jinan Dezheng Chem | China national standards | MT | 795.7 | USD | 20251013 |