| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 808.32 | USD | 20251208 |
| Jining Zhongyin EC | China national standards | MT | 763.1 | USD | 20251208 |
| Shandong Hanyue Chem | China national standards | MT | 904.41 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 989.41 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 918.74 | USD | 20251207 |
| Luxi Chem | China national standards | MT | 1017.68 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 1074.22 | USD | 20251207 |
| Luxi Chem | China national standards | MT | 1003.55 | USD | 20251207 |