| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1580.87 | USD | 20251124 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1580.25 | USD | 20251121 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1579.58 | USD | 20251120 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1580.31 | USD | 20251119 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.37 | USD | 20251118 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1580.67 | USD | 20251118 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1793.38 | USD | 20251117 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1793.15 | USD | 20251114 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.14 | USD | 20251113 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.11 | USD | 20251111 |