| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.18 | USD | 20251117 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.08 | USD | 20251114 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.68 | USD | 20251113 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.67 | USD | 20251111 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.77 | USD | 20251110 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.97 | USD | 20251107 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.68 | USD | 20251106 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.31 | USD | 20251105 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.48 | USD | 20251104 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.66 | USD | 20251103 |