| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.95 | USD | 20251209 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 247.27 | USD | 20251209 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.95 | USD | 20251209 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 247.35 | USD | 20251205 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 212.02 | USD | 20251205 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 212.02 | USD | 20251205 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 247.2 | USD | 20251202 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.88 | USD | 20251202 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.88 | USD | 20251202 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.9 | USD | 20251130 |