Our manufactured gas spring piston rods have characteristics such as safe and reliable, consistent force value, no leak, long life, energy saving, material saving, low roughness, high precision, good linear performance etc. They are widely used in automobile engine cover or trunk opening, furniture, drawing machine, aviation shelf, printing machinery, food processor and other modern automation mechanical machineries, fitness equipment, textile machinery, wood-working machine etc. Specifications can be customized per customer requests.

Specifications	Diameter  6- 80mm Length  100-3000mm Specifications can be customized per your drawings or requests
Surface roughness	Ra 0.05-0.2um	Straightness	0.05mm/ m
Circular degree	0.001mm/Overall length	Surface hardness	Over HRC62
Overall length variation	0.005mm	OD Precision	f7
Cycle life	40000 times	Corrosion Resistance	through salt spray test 240h
Surface treatment	QPQ, chrome plated	Material	45 steel, 40Cr, 12Cr13, 20Cr13 etc.
Application	Automobile or motorcycle, Machinery, Electron industry, Transportation, Fitness exercises, Medical equipment etc.