| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 197.77 | USD | 20251129 |
| Henan Huiyihai | China national standards | MT | 183.64 | USD | 20251129 |
| Henan Huiyihai | China national standards | MT | 204.83 | USD | 20251129 |
| Shandong Zhongke Taihua | Food Grade | MT | 282.53 | USD | 20251129 |
| Shandong Zhongke Taihua | China national standards | MT | 282.53 | USD | 20251129 |
| Shandong Haihua | Food Grade | MT | 282.53 | USD | 20251129 |
| Henan Leavit Chem | Food Grade | MT | 159.63 | USD | 20251129 |
| Henan Leavit Chem | China national standards | MT | 159.63 | USD | 20251129 |
| Shandong Haihua | Food Grade | MT | 183.64 | USD | 20251129 |
| Zhangzhou Sanan Chem | China national standards | MT | 226.02 | USD | 20251129 |