| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 691.47 | USD | 20251030 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 691.67 | USD | 20251029 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 691.54 | USD | 20251028 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 691.3 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 691.3 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.84 | USD | 20251024 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.94 | USD | 20251023 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.59 | USD | 20251022 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.82 | USD | 20251021 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.4 | USD | 20251020 |