| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 194.08 | USD | 20250922 |
| Shanghai SKY Chem | China national standards | MT | 194.08 | USD | 20250922 |
| Henan Huiyihai | China national standards | MT | 175.79 | USD | 20250922 |
| Henan Sendi EnvTech | China national standards | MT | 201.11 | USD | 20250922 |
| Henan Sendi EnvTech | China national standards | MT | 194.08 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 189.86 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 189.86 | USD | 20250922 |
| Shanghai Guoke | China national standards | MT | 260.17 | USD | 20250922 |
| Henan Junma Chem | China national standards | MT | 189.86 | USD | 20250922 |
| Pingxiang Lixin BioTech | China national standards | MT | 182.83 | USD | 20250922 |