| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.85 | USD | 20251204 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1046.19 | USD | 20251204 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.74 | USD | 20251203 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1045.88 | USD | 20251203 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.74 | USD | 20251203 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.51 | USD | 20251202 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1045.29 | USD | 20251202 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.51 | USD | 20251202 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.71 | USD | 20251201 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1045.8 | USD | 20251201 |