| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 201.54 | USD | 20251022 |
| Henan Sendi EnvTech | China national standards | MT | 194.49 | USD | 20251022 |
| Henan Sendi EnvTech | China national standards | MT | 197.31 | USD | 20251022 |
| Henan Qingmai Tech | China national standards | MT | 239.59 | USD | 20251022 |
| Jiangxi Xinmao Chem | China national standards | MT | 190.26 | USD | 20251022 |
| Henan Qianyuexing | China national standards | MT | 162.08 | USD | 20251022 |
| Henan Baiquan | China national standards | MT | 166.3 | USD | 20251022 |
| Haohua Junhua | China national standards | MT | 162.08 | USD | 20251022 |
| Shandong Haihua | China national standards | MT | 253.69 | USD | 20251022 |
| Shandong Haihua | China national standards | MT | 211.4 | USD | 20251022 |