| Vendor | Spec | Unit | Price | Currency | Date |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1215.31 | USD | 20251208 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1215.56 | USD | 20251205 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1215.84 | USD | 20251204 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1215.48 | USD | 20251203 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1214.79 | USD | 20251202 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1215.39 | USD | 20251201 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1229.53 | USD | 20251201 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1228.24 | USD | 20251112 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1227.67 | USD | 20251111 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1206.5 | USD | 20251111 |