hydraulic parts

Cylinder using carbon steel imported from Germany, honing diameter, diameter tolerance of H7 ~ H9 level, surface roughness of 03 ~ 0.6μm, tensile strength of 50 kg / mm2 or more.Piston rod:Hydraulic pipe fittings of carbon steel imported from Germany, the outer surface of honing, plating hard Luo. Surface roughness 0.6 ~ 0.08μm.Seals: Seals and other seals are made of high-intensive products imported from Italy, oil, corrosion resistance, abrasion resistance, wear and tear, resistant to pressure.