| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.5 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.5 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.5 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.45 | USD | 20251013 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.45 | USD | 20251013 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.45 | USD | 20251013 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.31 | USD | 20251011 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.31 | USD | 20251011 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.31 | USD | 20251011 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.13 | USD | 20251009 |