| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 947.01 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.79 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 727.93 | USD | 20251205 |
| Shanghai Ronghe Chem | China national standards | MT | 763.26 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Shandong Hanyue Chem | China national standards | MT | 706.72 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 699.66 | USD | 20251205 |