| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 689.94 | USD | 20251014 |
| Qingdao Shengze Chem | China national standards | MT | 689.94 | USD | 20251014 |
| Qingdao Shengze Chem | China national standards | MT | 689.94 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 732.18 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 633.62 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 633.62 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 746.26 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 746.26 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 746.26 | USD | 20251014 |
| Yankuang Guotai Chem | China national standards | MT | 801.33 | USD | 20251013 |