| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 467.82 | USD | 20251210 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 411.29 | USD | 20251210 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1045.89 | USD | 20251210 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 467.69 | USD | 20251209 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 411.17 | USD | 20251209 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1045.6 | USD | 20251209 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 467.85 | USD | 20251205 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 411.31 | USD | 20251205 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1045.95 | USD | 20251205 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1045.29 | USD | 20251202 |