| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.76 | USD | 20251114 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.24 | USD | 20251113 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.22 | USD | 20251111 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.35 | USD | 20251110 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.61 | USD | 20251107 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.21 | USD | 20251103 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.04 | USD | 20251031 |