| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.3 | USD | 20251112 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.11 | USD | 20251111 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.17 | USD | 20251110 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.28 | USD | 20251107 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.12 | USD | 20251106 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 394.92 | USD | 20251105 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.01 | USD | 20251104 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.11 | USD | 20251103 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.03 | USD | 20251101 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.03 | USD | 20251031 |