| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 236.77 | USD | 20251022 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 239.53 | USD | 20251020 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 235.3 | USD | 20251020 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 239.53 | USD | 20251020 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 242.43 | USD | 20251017 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 246.66 | USD | 20251017 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 246.66 | USD | 20251017 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 242.27 | USD | 20251015 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 246.5 | USD | 20251015 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 246.5 | USD | 20251015 |