| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.6 | USD | 20251127 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.5 | USD | 20251126 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.34 | USD | 20251125 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.22 | USD | 20251124 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.06 | USD | 20251121 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.08 | USD | 20251119 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.17 | USD | 20251118 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.39 | USD | 20251117 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.34 | USD | 20251114 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.12 | USD | 20251113 |