| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chem | China national standards | MT | 318.03 | USD | 20251205 |
| Shanghai SKY Chem | China national standards | MT | 325.09 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 226.15 | USD | 20251205 |
| Henan Huiyi | China national standards | MT | 282.69 | USD | 20251205 |
| GuangZhan Chem | China national standards | MT | 254.42 | USD | 20251205 |
| Shandong Yushuo Chem | China national standards | MT | 310.96 | USD | 20251205 |
| Shandong Kailong Chem | China national standards | MT | 296.82 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 303.89 | USD | 20251205 |
| Shandong Kailong Chem | China national standards | MT | 282.69 | USD | 20251205 |
| Guangzhou Tianyue Chem | China national standards | MT | 226.15 | USD | 20251205 |