| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 746.26 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 774.42 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 774.57 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 746.41 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 745.97 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 774.12 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 774.12 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 745.97 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 745.97 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251010 |