KPO Rail Fastening System

The KPO fastening system is also widely used all over the world. It belongs to clamp fastening system. The clamps includes KPO3, KPO5, KPO6 and KPO9 etc. It has better clamping force and longer duration life than normal fastening system, and it also is an only system which is widely used for Crane Rails.

KPO Rail Fastening System

  • Worldwidely Used

    The KPO Fastening systems are worldwide used in the clamp system, for Crane Rails.
  • Safe & Stable

    With Over many years experience, KPO system is showing very good safety performance
  • Better Clamp Force

    With the using of KPO Clamp, It has better clamping force and longer duration life than normal fastening system..
  • Different Types

    The clamps includes KPO3, KPO5, KPO6 and KPO9 etc.

Components Of KPO Rail Fastening System

Item Component Types Photo
1 KPO Clamp KPO3/KPO6, KPO9
2 Screw Spike Ss8
3 Rail Dowel Sdu9
4 Bolt&Nut&Washer Hs32
5 Rail Pad According to customer’s drawing
6 Tie Plate UIC54/UIC60

Do You Have A Railway Project We Can Help With?



GK Group,  is an enterprise manufacturing railway fasteners, whose products cover fields of railway, urban rail, mining, etc.
There are two factories located in Zhangzhou Fujian and Anyang Henan, which are all CRCC and ISO certificated, with a total area of about 320,000 ㎡, workers over 300, and an annual sales volume of over RMB 200,000,000.

Founded in 1960, With over 50 years of specializing in railway fasteners, GK has served many demanding markets worldwide, including USA States, Chile, Argentina, Ecuador, Brazil, Thailand, Indonesia, Malaysia, Vietnam, Spain, Italy, Romania, England, Kazakhstan, etc.

What do we


We have 4 automatic clip production lines with robot hands, which have the production volume for 60,000 pieces clips per day.
Avantages for robot hands production:

– Guarantee the dimensions stability
– Increase the quality
– Maximum the production volume
– Reduce labor cost

With the advanced forging production lines, we are able to produce screw spikes, rail bolts, rail clamp, rail anchor, and all other forged products.

Our advantages:

– Advanced production equipment, mature production technology and perfect quality assurance system.
– High production volume, able to produce with the fastest speed.
– Mature management system with lowest cost, which guarantee the quality stability.
– Competitive price with best service.

We use lost foam casting process, the advantages as below:

– Without Limits.Lost Foam enables geometrically complex cast parts to be created with the highest quality.
– Dimensionally exact. – High dimensional accuracy and low tolerances.
– Better Surface. Surface smooth and less flaws.
– Without subsequent machining. Lost Foam is done without a core and without burrs so that there is almost no subsequent fettling work.
– Weight reducing. Lost foam enables the creation of thin-walled, filigree cast product.
– Environmentally friendly. Energy efficient casting process with low emissions and closed mould material circulation.

With advanced injection machines, we are able to offer:

– Angle plate or rail insulator
– Rail pad
– Plastic dowel
– Other products according to customer’s needs

We are able to do various surface treatment with the most advanced technology. All the surface treatment is eco-friendly and finished in our own factory.

– Electrostatic spraying for rail clips. Anti-corrosion for 2 years.
– Darcromet for most rail fasteners. Anti-corrosion for 10 years.
– Zinc-nickel alloy co-permeation for most fasteners. Anti-corrosion for 20 years.

Our testing center the most advanced testing equipment:

– Universal testing machine
– Spectroscopic test machine
– Hardness Test machine
– Cold Bending Test Machine
– Fatigue test equipment for clip
– Fluorescent magnetic particle inspection machine
-Salt spray test equipment

Our Certificates

With ISO and CRCC certificated, Guokeng tries its full efforts to save cost for each client by upgrading our Production Equipment & Inspection Facility & Quality Management System to be more efficient, economy, and also with good quality control capacity. Quality and reliability are always our culture. We will never stop upgrading and developing, and will spend our whole life in delivering best quality and service.

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