| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 987.81 | USD | 20251030 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |