| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1100.82 | USD | 20251110 |
| Jinan Jinhao Chem | China national standards | MT | 1241.96 | USD | 20251110 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.32 | USD | 20251109 |
| Shiyou Yangzhou Chem | China national standards | MT | 889.38 | USD | 20251109 |
| Jinan Qi Mat | China national standards | MT | 889.38 | USD | 20251109 |
| Beijing Yanshan Petro | China national standards | MT | 889.38 | USD | 20251109 |
| Lihuayi Weiyuan Chem | China national standards | MT | 889.38 | USD | 20251109 |
| Beijing Yanshan Petro | China national standards | MT | 889.38 | USD | 20251109 |
| Lihuayi Weiyuan Chem | China national standards | MT | 889.38 | USD | 20251109 |
| Shandong Xingpeng Chem | China national standards | MT | 903.5 | USD | 20251109 |