| Vendor | Spec | Unit | Price | Currency | Date |
| Anhui Haozhan Tech | China national standards | MT | 204.64 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 190.63 | USD | 20251117 |
| Anhui Haozhan Tech | China national standards | MT | 204.76 | USD | 20251117 |
| Henan Sendi EnvTech | China national standards | MT | 197.7 | USD | 20251117 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.57 | USD | 20251117 |
| Shanghai Guoke | China national standards | MT | 261.24 | USD | 20251117 |
| Chizhou Xinyu Chem | China national standards | MT | 197.7 | USD | 20251117 |
| Pingxiang Lixin BioTech | China national standards | MT | 183.57 | USD | 20251117 |
| Henan Junma Chem | China national standards | MT | 190.63 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 190.63 | USD | 20251117 |