| Vendor | Spec | Unit | Price | Currency | Date |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 904.41 | USD | 20251208 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 904.61 | USD | 20251205 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 904.81 | USD | 20251204 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 904.54 | USD | 20251203 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 904.48 | USD | 20251201 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 902.87 | USD | 20251104 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 900.12 | USD | 20251009 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 900.71 | USD | 20250930 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 815.16 | USD | 20250928 |