| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 955.7 | USD | 20250928 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |