| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 193.95 | USD | 20250926 |
| Shanghai SKY Chem | China national standards | MT | 193.95 | USD | 20250926 |
| Henan Shunzhibang | China national standards | MT | 267.03 | USD | 20250926 |
| Henan Shunzhibang | China national standards | MT | 252.98 | USD | 20250926 |
| Henan Sendi EnvTech | China national standards | MT | 200.98 | USD | 20250926 |
| Henan Sendi EnvTech | China national standards | MT | 193.95 | USD | 20250926 |
| Henan Huiyihai | China national standards | MT | 175.68 | USD | 20250926 |
| Shanghai Guoke | China national standards | MT | 260.01 | USD | 20250926 |
| Shandong Qiangsen Chem | China national standards | MT | 189.73 | USD | 20250926 |
| Shandong Qiangsen Chem | China national standards | MT | 189.73 | USD | 20250926 |