| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 235.61 | USD | 20251027 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 237.02 | USD | 20251027 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 236.89 | USD | 20251023 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 236.89 | USD | 20251023 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 235.48 | USD | 20251023 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 236.77 | USD | 20251022 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 235.36 | USD | 20251022 |
| 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 |