| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 486.66 | USD | 20251211 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 486.2 | USD | 20251210 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 486.06 | USD | 20251209 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 486.12 | USD | 20251208 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 486.02 | USD | 20251127 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 485.9 | USD | 20251126 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 485.7 | USD | 20251125 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 485.55 | USD | 20251124 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 474.07 | USD | 20251121 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 473.87 | USD | 20251120 |