| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.65 | USD | 20251119 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.65 | USD | 20251119 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.92 | USD | 20251119 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 246.98 | USD | 20251118 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.7 | USD | 20251118 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.7 | USD | 20251118 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 211.82 | USD | 20251117 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.82 | USD | 20251117 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 247.12 | USD | 20251117 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 211.67 | USD | 20251113 |