| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 261.03 | USD | 20251119 |
| Shanghai SKY Chem | China national standards | MT | 211.65 | USD | 20251119 |
| Shandong Qiangsen Chem | China national standards | MT | 190.48 | USD | 20251119 |
| Haohua Junhua | China national standards | MT | 153.8 | USD | 20251119 |
| Suzhou Shangma Chem | China national standards | MT | 197.54 | USD | 20251119 |
| Shandong Hanyue Chem | China national standards | MT | 190.48 | USD | 20251119 |
| Henan Sendi EnvTech | China national standards | MT | 197.54 | USD | 20251119 |
| Shanghai Guoke | China national standards | MT | 261.03 | USD | 20251119 |
| Henan Qianyuexing | China national standards | MT | 156.62 | USD | 20251119 |
| Henan Baiquan | China national standards | MT | 166.5 | USD | 20251119 |