| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.7 | USD | 20251107 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.56 | USD | 20251104 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.61 | USD | 20251103 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.57 | USD | 20251031 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.68 | USD | 20251029 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.64 | USD | 20251028 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.43 | USD | 20251024 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.46 | USD | 20251023 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.36 | USD | 20251022 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.43 | USD | 20251021 |