| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Huiyihai Water Purification Materials Co., Ltd. | China national standards | MT | 281.18 | USD | 20250920 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.15 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.27 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.27 | USD | 20250920 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.8 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.27 | USD | 20250919 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 274.15 | USD | 20250919 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 323.36 | USD | 20250919 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 224.95 | USD | 20250919 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 306.49 | USD | 20250919 |