| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |