| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.13 | USD | 20251009 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.13 | USD | 20251009 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.17 | USD | 20250929 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.17 | USD | 20250929 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.17 | USD | 20250929 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.11 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.11 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.11 | USD | 20250922 |