| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1526.44 | USD | 20251210 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1526.01 | USD | 20251209 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1526.2 | USD | 20251208 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1526.87 | USD | 20251204 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1526.42 | USD | 20251203 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1525.55 | USD | 20251202 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1526.31 | USD | 20251201 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1525.51 | USD | 20251126 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1524.41 | USD | 20251124 |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1523.16 | USD | 20251120 |