1.air suspension seat 2. Truck seat, 3. Truck driver seat, 4. Imported air spring and valve in the seat. Truck driver seat Features and Technical parameter:1.Horizontal adjustment: double locking, operating elements front, stroke 210mm(10mm×21)2.Weight adjustment: automated up to 130kg, air pressure 0.3~0.7Mpa(air pressure of headstream 0.7~0.9Mpa)3.Height adjustment : +100mm, infinitely ...