| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 394.06 | USD | 20250930 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250928 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 449.74 | USD | 20250928 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 450.34 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 394.05 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 421.91 | USD | 20250922 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 464.1 | USD | 20250922 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |