| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.73 | USD | 20251024 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.4 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.4 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.66 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.66 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.66 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.5 | USD | 20251015 |
| 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. | Food Grade | MT | 246.45 | USD | 20251013 |