| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 201.35 | USD | 20251014 |
| Henan Sendi EnvTech | China national standards | MT | 194.31 | USD | 20251014 |
| Anhui Haozhan Tech | China national standards | MT | 211.21 | USD | 20251014 |
| Wuhan Hengjiu Chem | China national standards | MT | 232.33 | USD | 20251014 |
| Wuhan Hengjiu Chem | China national standards | MT | 205.57 | USD | 20251014 |
| Wuhan Hengjiu Chem | China national standards | MT | 183.04 | USD | 20251014 |
| Suzhou Shangma Chem | China national standards | MT | 211.21 | USD | 20251014 |
| Zhangzhou Sanan Chem | China national standards | MT | 225.29 | USD | 20251014 |
| Shanghai Guoke | China national standards | MT | 260.49 | USD | 20251014 |
| Shandong Qiangsen Chem | China national standards | MT | 190.08 | USD | 20251014 |