| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 451.03 | USD | 20251017 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251017 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1042.33 | USD | 20251015 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 450.74 | USD | 20251015 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 394.39 | USD | 20251015 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 394.33 | USD | 20251013 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 450.66 | USD | 20251013 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251010 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 450.4 | USD | 20251010 |