| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |