| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.9 | USD | 20251031 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.63 | USD | 20251031 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.63 | USD | 20251031 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.67 | USD | 20251030 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.95 | USD | 20251030 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.67 | USD | 20251030 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.89 | USD | 20251027 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.62 | USD | 20251027 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.48 | USD | 20251024 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.48 | USD | 20251024 |