A: 1 telescopic cylinder type: mainly consists of cylinder, liquid storage cylinder, dust cover, piston, piston rod, oil seal, spring, valve, bushing, bracket, etc.;
2 Inflatable shock absorber: mainly consists of sealed gas type, floating piston, O-ring seal, compression valve, working cylinder, piston rod, working piston and extension valve;
3 resistance adjustable shock absorber: mainly composed of air chamber, hollow connecting rod, spring, plunger rod, plunger, piston and orifice.