| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.61 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.61 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.38 | USD | 20251126 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.38 | USD | 20251126 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.93 | USD | 20251120 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.93 | USD | 20251120 |