| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.56 | USD | 20251111 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.58 | USD | 20251110 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.64 | USD | 20251107 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 204.61 | USD | 20251106 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 204.51 | USD | 20251105 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 204.56 | USD | 20251104 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 204.61 | USD | 20251103 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 204.57 | USD | 20251101 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 204.57 | USD | 20251031 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 211.67 | USD | 20251030 |