| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 226.12 | USD | 20251201 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.85 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.92 | USD | 20251201 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 183.72 | USD | 20251201 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 223.29 | USD | 20251201 |
| Chang Zhou Qi Di Chemical Co., Ltd. | Food Grade | MT | 416.91 | USD | 20251201 |
| Henan Leavit Chemical Technology Co., Ltd. | Food Grade | MT | 159.7 | USD | 20251201 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.7 | USD | 20251201 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.72 | USD | 20251201 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.92 | USD | 20251201 |