| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 809.21 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1259.09 | USD | 20251211 |
| Jining Zhongyin EC | China national standards | MT | 763.94 | USD | 20251211 |
| Shandong Haili Chem | China national standards | MT | 809.21 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 1358.12 | USD | 20251211 |
| Jining Zhongyin EC | China national standards | MT | 919.56 | USD | 20251211 |
| Jinan Qi Mat | China national standards | MT | 763.94 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 809.21 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 1004.44 | USD | 20251211 |