Hyundai part no. 31NB-61130 R450-7 bucket hydraulic cylinder

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.

Our packing for exportation:

We have drawing size for you to check, pls email me , i will send to you if you want to order:

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.

photo:

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.

Additionally, we provide workers training and development to ensure proper quality control is maintained throughout the production process.

Since 1999, QUANZHOU JUNDE MACHINERY CO.,LTD, located in the
port city “Quanzhou” have played a motivated role in design,manufacturing and rebuilding of hydraulic cylinder.
 

Today we are known as a leading manufacturer for construction
equipment hydraulic cylinder solutions.

Over 10 years of steady growth, we boasted of having the highest
market share in China’s excavator cylinder aftermarket spare market.
 

Whilst endorsed by Cat classic part and regularly supply the hydraulic
cylinder from 2010.

Cat classic part provide the cost-effictive solutions of replacement spare part for the users, that is consistent with our company idea that build a perfect balance point between the product
cost and reliability.

Today the factory with the state-of-the-art manufacturing equipment
has been expanded to 215000 square feet, meanwhile being the ISO9001:2008 certified company.

Our diligence passion and sincerity inspire us to maintain strong competitive edge as well as supply high cost-effective product to our customers.

JDF can also customize hydraulic cylinder according to your special requests, like agricultural equipments.

Welcome to write email to me. 

Lisa