| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1116.62 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 862.2 | USD | 20251205 |
| Shandong Xima | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 908.85 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Jinan Qi Mat | China national standards | MT | 819.99 | USD | 20251204 |
| Beijing Yanshan Petro | China national standards | MT | 819.99 | USD | 20251204 |
| Shiyou Yangzhou Chem | China national standards | MT | 819.99 | USD | 20251204 |