| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 239.92 | USD | 20251118 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 239.92 | USD | 20251118 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 247.09 | USD | 20251114 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 249.91 | USD | 20251114 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 247.09 | USD | 20251114 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 249.77 | USD | 20251113 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 246.95 | USD | 20251113 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 246.95 | USD | 20251113 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 268.23 | USD | 20251107 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 268.23 | USD | 20251107 |