| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 776.01 | USD | 20251121 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.69 | USD | 20251120 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 789.79 | USD | 20251120 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 790.16 | USD | 20251119 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 790.78 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 790.68 | USD | 20251115 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 776.56 | USD | 20251115 |