| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.58 | USD | 20251116 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.34 | USD | 20251116 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.34 | USD | 20251114 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.3 | USD | 20251112 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.53 | USD | 20251112 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.11 | USD | 20251111 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.33 | USD | 20251111 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.39 | USD | 20251110 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.17 | USD | 20251110 |