drum bogie series:
1) Germany Style Mechanical suspension
2) American Style Mechanical suspension
3) Bogie suspension System:
Drum Bogie Suspension
Six Spoke Bogie Suspension
Low-Profile Bogie Suspension
Arog Bogie Suspension
1) European advanced air suspension design, manufacture technology
2) Word brand parts such as air bag, shock absorber and trailing arm
3) Various ride heights
4) Complete solutions for customers including air circuit kits
