| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.13 | USD | 20251126 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 352.98 | USD | 20251125 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 352.87 | USD | 20251124 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.57 | USD | 20251121 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.43 | USD | 20251120 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.66 | USD | 20251118 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.85 | USD | 20251117 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.8 | USD | 20251114 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.61 | USD | 20251111 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.66 | USD | 20251110 |