| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2146.25 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2143.34 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2143.34 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2143.34 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2171.35 | USD | 20250820 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2172.12 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2144.09 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2144.09 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2145.2 | USD | 20250818 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2173.24 | USD | 20250818 |