| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1052.09 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 980.61 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1050.66 | 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 | 980.96 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1051.02 | USD | 20250819 |