| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.68 | USD | 20251119 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251118 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251110 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251110 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1242.31 | USD | 20251107 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.8 | USD | 20251106 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.17 | USD | 20251105 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.45 | USD | 20251104 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1241.82 | USD | 20251030 |