| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai | China national standards | MT | 204.59 | USD | 20251119 |
| Zhangzhou Sanan Chem | China national standards | MT | 225.76 | USD | 20251119 |
| Jinan Jinrihe Chem | Food Grade | MT | 155.21 | USD | 20251119 |
| Shandong Haihua | China national standards | MT | 169.32 | USD | 20251119 |
| Henan Kaijie Water | Industrial Grade | MT | 204.59 | USD | 20251119 |
| Henan Kaijie Water | China national standards | MT | 211.65 | USD | 20251119 |
| Henan Kaijie Water | China national standards | MT | 211.65 | USD | 20251119 |
| Henan Baoxin Tech | China national standards | MT | 211.65 | USD | 20251119 |
| Henan Kaijie Water | China national standards | MT | 211.7 | USD | 20251118 |
| Henan Kaijie Water | China national standards | MT | 211.7 | USD | 20251118 |