| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 222.75 | USD | 20251021 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.43 | USD | 20251021 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.28 | USD | 20251021 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 211.48 | USD | 20251021 |
| Xiangyang Youdeshi Chemical Co., Ltd. | Food Grade | MT | 194.56 | USD | 20251021 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.48 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.43 | USD | 20251021 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 281.97 | USD | 20251021 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.97 | USD | 20251021 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.97 | USD | 20251021 |