| Vendor | Spec | Unit | Price | Currency | Date |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 959.69 | USD | 20251028 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 959.35 | USD | 20251027 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 958.69 | USD | 20251021 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 1035.68 | USD | 20251016 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 1035.68 | USD | 20251016 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 1061.85 | USD | 20251009 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |