Hi guys .... first i whant thks for the people how help me in some previous questions

iam rookie in solidoworks i always work with autocad..

i have i question  i made bus for my work where iam working in 3D used CINEMA 4D .. ... and i made estruture in solidworks (not finished WIP) and now i whant import the front of bus, made in cinema 4d to assembly in estruture in SolidWorks ..

I now i can export in 3ds , obj, Dxf , Stl.. but the problem is i cant move of create a mate in assembly...

anione can help me ??

iam gona attach image to explain better , and sorry for my bad english