| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 399.34 | USD | 20251103 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 455.7 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 399.27 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 455.94 | USD | 20251029 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 399.47 | USD | 20251029 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 455.69 | USD | 20251027 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 399.26 | USD | 20251027 |