| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 169.54 | USD | 20251127 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 169.54 | USD | 20251127 |
| Jinan Jinrihe Chemical Co., Ltd. | Food Grade | MT | 155.41 | USD | 20251127 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.8 | USD | 20251127 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.93 | USD | 20251127 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.93 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.86 | USD | 20251127 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 223.23 | USD | 20251127 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.67 | USD | 20251127 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.86 | USD | 20251127 |