| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.73 | USD | 20251125 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.67 | USD | 20251124 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.59 | USD | 20251121 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.5 | USD | 20251120 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.64 | USD | 20251118 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.76 | USD | 20251117 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.73 | USD | 20251114 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.61 | USD | 20251113 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.61 | USD | 20251111 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 204.64 | USD | 20251110 |