| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.21 | USD | 20251014 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.25 | USD | 20251013 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.12 | USD | 20251011 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.12 | USD | 20251010 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 210.96 | USD | 20251009 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.1 | USD | 20251008 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.1 | USD | 20251007 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.0 | USD | 20250929 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 210.82 | USD | 20250928 |