| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1123.28 | USD | 20251211 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1122.21 | USD | 20251210 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1121.9 | USD | 20251209 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1122.04 | USD | 20251208 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1122.53 | USD | 20251204 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1122.2 | USD | 20251203 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1121.56 | USD | 20251202 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1122.12 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1122.12 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1121.64 | USD | 20251128 |