| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.68 | USD | 20251211 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.34 | USD | 20251210 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.24 | USD | 20251209 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.24 | USD | 20251209 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.29 | USD | 20251208 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.44 | USD | 20251204 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.14 | USD | 20251202 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.31 | USD | 20251201 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.21 | USD | 20251127 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.13 | USD | 20251126 |