| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Lufeng Chem | China national standards | MT | 689.27 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 917.15 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 719.61 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 846.6 | USD | 20251119 |
| Liaocheng Yuanze Chem | China national standards | MT | 860.71 | USD | 20251119 |
| Luxi Chem | China national standards | MT | 747.83 | USD | 20251119 |
| Shandong Aite Chem | China national standards | MT | 1114.94 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 959.69 | USD | 20251118 |
| Luxi Chem | China national standards | MT | 973.81 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 959.69 | USD | 20251118 |