| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.37 | USD | 20251110 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.87 | USD | 20251107 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.14 | USD | 20251106 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1791.23 | USD | 20251105 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1791.63 | USD | 20251104 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.09 | USD | 20251103 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1791.76 | USD | 20251031 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.17 | USD | 20251030 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.7 | USD | 20251029 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1792.37 | USD | 20251028 |