| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang | China national standards | MT | 268.38 | USD | 20251202 |
| Guangdong Huihao | China national standards | MT | 211.88 | USD | 20251202 |
| GuangZhan Chem | China national standards | MT | 204.82 | USD | 20251202 |
| Shandong Haihua | China national standards | MT | 190.69 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 233.07 | USD | 20251202 |
| Henan Baoxin Tech | China national standards | MT | 165.27 | USD | 20251202 |
| Henan Shunzhibang | China national standards | MT | 254.26 | USD | 20251202 |
| Pingxiang Lixin BioTech | China national standards | MT | 169.51 | USD | 20251202 |
| Chizhou Xinyu Chem | China national standards | MT | 197.76 | USD | 20251202 |
| Henan Junma Chem | China national standards | MT | 176.57 | USD | 20251202 |