| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 772.6 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 786.65 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 786.95 | USD | 20250825 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 772.9 | USD | 20250825 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 771.16 | USD | 20250822 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 771.53 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 785.56 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 784.49 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 770.48 | USD | 20250820 |