RB-OEM series(the scaled)
adjustable pressure tye is 
hydraulic-pneumatic t absorb 
an earthquake of machine

RB-OEM series(the low speed 
is used)adjustable pressure 
tye is hydraulic-pneumatict 
absorb an earthquake of machine

RB-LROEM series(the low speed 
is used)adjustable pressure  
tye is hydraulic-pneumatict 
absorb an earthquake of machine