| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |