| Vendor | Spec | Unit | Price | Currency | Date |
| Jinjing Group Co., Ltd. | China national standards | MT | 172.98 | USD | 20250922 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 210.95 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 182.83 | USD | 20250922 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 196.89 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 203.92 | USD | 20250922 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 182.83 | USD | 20250922 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 203.92 | USD | 20250922 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 222.2 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 246.11 | USD | 20250922 |