sumitomo hydraulic cylinder excavator spare part SH350-5 high quality piston rod seal kit gland parts

We manufacture high quality hydraulic cylinder at lower cost.

We maintain quick response for various market.

Our quality control:

We focus on every part's quality and material:

Rod seal:

Superior quality named-brand seals improve a longer life and seal effect.

Tube:

skived&burnished or vertical honing tube assures the concentricity and straightness.

Rod:

Induction hardened prior to chrome plating enhances the surface hardness. Enhanced chrome plating improve corrosion resistence and anti-scratch performance.

Piston:High pressure piston sealing material.

Making cylinder that are worthy of your equipment.

You will be without worry, when the cylinder willinterchange completely with the originalon your equipment.

The cylinder that are worthy of your equipment mean higher work efficency and less downtime won't let you down.

JDF is completely in-house manufacturing by ourself, we have a big factory with 215000 square meters.

The machine include Skive Roller Burnishing Machines, Honing Machines, CNC Centers, Automatic welding machines, Grinders machine, Cylinder assembly& test benches, paining line.

Our Network:

JDF is equipped with international and domestic manufacturing and distribution networks. Through these, we provide reliable and high-quality products with competitive pricing to all customers.

Our cylinders have an industry leading field reliability achieved through our domestic and international on-site quality-control monitoring and testing.

Prior to production of any models, we conduct endurance and destructive qualification design testing to ensure designs meet our strict requirements.

Once designs are accepted, JDF regularly conducts quality audits and source inspections at the production site to ensure quality prior to shipment.