| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 815.43 | USD | 20250919 |
| Luxi Chem | China national standards | MT | 815.43 | USD | 20250919 |
| Lihuayi Shandong | China national standards | MT | 815.43 | USD | 20250919 |
| Qingdao Shengze Chem | China national standards | MT | 815.43 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1068.5 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1110.67 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1237.21 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 941.96 | USD | 20250919 |
| Lihuayi Shandong | China national standards | MT | 822.46 | USD | 20250919 |
| Lihuayi Shandong | China national standards | MT | 843.55 | USD | 20250919 |