| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 917.22 | USD | 20251111 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1058.34 | USD | 20251111 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1058.48 | USD | 20251110 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 917.35 | USD | 20251110 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1058.35 | USD | 20251106 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |