| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.77 | USD | 20251128 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 226.06 | USD | 20251127 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.93 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 180.84 | USD | 20251127 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Food Grade | MT | 247.25 | USD | 20251127 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Food Grade | MT | 247.25 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.57 | USD | 20251127 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.57 | USD | 20251127 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 282.57 | USD | 20251127 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 183.67 | USD | 20251127 |