| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.09 | USD | 20250928 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.09 | USD | 20250928 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.09 | USD | 20250926 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.46 | USD | 20250925 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.46 | USD | 20250925 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.46 | USD | 20250924 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.46 | USD | 20250924 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.27 | USD | 20250922 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |