| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.89 | USD | 20251211 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.7 | USD | 20251210 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.64 | USD | 20251209 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.64 | USD | 20251209 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.67 | USD | 20251208 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.75 | USD | 20251204 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 200.58 | USD | 20251202 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.92 | USD | 20251201 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.86 | USD | 20251127 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.81 | USD | 20251126 |