| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.1 | USD | 20251010 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.1 | USD | 20251010 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.25 | USD | 20251010 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 421.93 | USD | 20251009 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 393.8 | USD | 20251009 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.06 | USD | 20251008 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.21 | USD | 20251008 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.21 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.06 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.06 | USD | 20251001 |