| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.86 | USD | 20251124 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.58 | USD | 20251121 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.27 | USD | 20251120 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.61 | USD | 20251119 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 719.77 | USD | 20251118 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 649.2 | USD | 20251118 |
| 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 |