| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.38 | USD | 20250822 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 911.37 | USD | 20250822 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.82 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 917.57 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.57 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 917.89 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.37 | USD | 20250818 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 911.36 | USD | 20250818 |