It is worth for buying

First:it has high quality material
1.Stainless steel housing(Stainless steel :more safe for you)
2.Food grade(ps material:Water resistant, chemical resistant, rigid) 
3.Environmental level pp material(pp Property:Acid-proof, alkali resistance, avirulent insipidity)

Second:Higher juice yield:15%  higher than common blender

Believe your choice!!!