| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 267.98 | USD | 20251105 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 267.98 | USD | 20251105 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 266.7 | USD | 20251103 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 266.7 | USD | 20251103 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 249.72 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 251.13 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 249.72 | USD | 20251031 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 245.61 | USD | 20251029 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 239.97 | USD | 20251029 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 245.61 | USD | 20251029 |