| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1044.81 | USD | 20251125 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.34 | USD | 20251125 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.34 | USD | 20251125 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.22 | USD | 20251124 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1044.5 | USD | 20251124 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.22 | USD | 20251124 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1044.09 | USD | 20251122 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 395.06 | USD | 20251122 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.06 | USD | 20251122 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1044.09 | USD | 20251121 |