| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 180.92 | USD | 20251205 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 282.69 | USD | 20251205 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.69 | USD | 20251205 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.69 | USD | 20251205 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.88 | USD | 20251205 |
| Chang Zhou Qi Di Chemical Co., Ltd. | Food Grade | MT | 416.97 | USD | 20251205 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 212.02 | USD | 20251205 |
| Shandong Haihua Group Co., Ltd. | Food Grade | 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 | 247.35 | USD | 20251205 |