| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.34 | USD | 20251017 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.34 | USD | 20251017 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.73 | USD | 20251015 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.73 | USD | 20251015 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |