| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.9 | USD | 20251124 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.2 | USD | 20251120 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.27 | USD | 20251117 |