| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1119.11 | USD | 20251017 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1118.81 | USD | 20251016 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1118.39 | USD | 20251015 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1117.98 | USD | 20251014 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1118.2 | USD | 20251013 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1117.55 | USD | 20251011 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1117.55 | USD | 20251010 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1116.71 | USD | 20251009 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1117.44 | USD | 20250930 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1116.91 | USD | 20250929 |