| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.57 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.57 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.5 | USD | 20251126 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.5 | USD | 20251126 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.19 | USD | 20251121 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.19 | USD | 20251121 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.07 | USD | 20251120 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.07 | USD | 20251120 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.2 | USD | 20251119 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.2 | USD | 20251119 |