| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.16 | USD | 20251114 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.68 | USD | 20251113 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.79 | USD | 20251110 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.03 | USD | 20251107 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.68 | USD | 20251106 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.25 | USD | 20251105 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.44 | USD | 20251104 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.66 | USD | 20251103 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |