| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 893.08 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 857.92 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |