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Qingdao KaFa Fabrication Co., Ltd.
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fabricate and supply customized portale frame construction design steel

Qingdao KaFa Fabrication Co., Ltd.

City: qingdao



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fabricate and supply customized portale frame construction design steel

Brand Name : KAFAFAB
Model Number : Steel warehouse
Certification : BV,SGS
Place of Origin : China
MOQ : 1000 square meter
Price : USD 20-60 per square meter
Supply Ability : 20000 square meter per Month
Delivery Time : 4-6 weeks
Packaging Details : Nude pack or steel pallet
Dimension : 50*20*6m (L*W*H)
Material : H beam angle steel round bar etc.
Paint : Alkyd primer, DFT 80UM
Service life : 50 years
Window : PVC/aluminum alloy
Door : Sliding or roller door
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When you want to build a prefabricated steel structure building, we can provide you with many options. You can choose from one of our existing building designs or we can customize one of our steel frame building designs to meet your unique specifications. You can select from an array of layouts, amenities and features to make your steel structural factory meet your every functional and aesthetic need.

Technical Parameters as follows:
1. Primary structure frame: Welded or Hot-rolled H section steel made in material Q345B (Equivalent to A572 Gr50); Ball blasting Sa 2.5, hot-dip galvanized or painted;
2. Purlin/girt: Cold-formed C or Z section steel made in material Q345B, Glavanized 275gsm;
3. Secondary steel: Bracing, column bracing, horizontal bracing, knee bracing, tie bar made in material Q235B ( Equivalent to A36); Hand derust
St 2.0, hot-dip galvanized or painted;

4. Roof Cladding: 0.5mm/0.6mm Color corrugated steel sheet or sandwich panel;

5. Wall Cladding: 0.5mm/0.6mm Color corrugated steel sheet or sandwich panel;
6. Trim, ridge tile, gutter,edge cover : Color Steel Sheet;
7. Rainspout: PVC Pipe;
8. Door: Plastic steel door, Aluminum door ,sandwich door ; Type can be sliding door, swing door, roll up door;
9. Windows: PVC/Plastic Steel/Aluminum Alloy Window;
10. Fasteners: Anchor bolt (Q234A), high strength Bolts(10.9S) , common bolt (8.8S or 4.8S)

Prefabricated steel structure building parameters:

Main Steel
Steel Beam ColumnQ235B,Q345B
Secondary Steel
Tie BarQ235B
PurlinC and Z purlin
SurfacePainted or Hot Dip Galvanized
DoorRolling Up Door or Sliding Door
WindowPVC or Aluminum Alloy
Roof and Wall Panels

Corrugated Steel Sheet, EPS Sandwich Panel, Rock Wool Sandwich

Panel, PU Sandwich Panel

ServiceDesign, Fabrication and Installation
We can offer quotations according to customers drawings and requirements,free design drawings and detailed installation drawings.
Design software: Auto CAD,PKPM,MTS,3D3S, TArch, Tekla Structures(X steel)V12.0, etc.
PackingAccording to customers requirements

Features and services:

1.Attractive design--- Elegant looks, apply color corrugated steel sheet or sandwich panel, insulation material is EPS, rock wool or PU.
2.Easy assemble and dismantle--- Can be rebuilt with bolts and screws
3.Firm structure--- Steel frame structure and sandwich panels
4.Durable--- The steel frame parts are all processed with anti-corrosion coated and can be used for as long as 30 years in good maintenance.
5.Low cost by integrating & manufacturing & service processes.
6.With reliable quality and efficient service from design, manufacture to installation
7.Sizes and design are according to your requirements

We cater for the design and fabrication of steelworks. We comply with GB standard and ISO standard for all the works to provide excellent and strong products. We are committed to satisfy your requirements and provide you with very competitive price.

Why us ?

Quality control system
· Purchase material from famous steel manufacturer, supply traceable mill certificate.
· Before we use the material, we will make a third-party inspection,
· During fabricating, we have 5 QC to inspect every piece member.
· Before we load the steel into the container, we will arrange all the managers to check the steel member.
· Project Supervisor from customer will be welcomed during our fabrication.
· Pre-assembly will be available to check the quality and connection.

Technology service
Help customer to replace the foreign material by chinese material , Modify the shop drawings by chinese material ( but need your qualified engineer check and confirm)
· Modify and optimise shop drawings to save time and money.
· Help you quote your project by free
· Answer your other technology questiones

Loading management
· Before loading we will arrange all the managers to check the goods ( quality and quantity).
· We will make the loading container list before our loading
· We have one manager to check the quantity during our loading containers
· Tie up all the member in case the damage during the sea transportation

· After loading containers, Every steel member ( serial no. from your drawings) will be marked in the loading container list, then we will send to you, you could check the container list to find every member.

Our equipment :

What we can do for you ?

1 supply you the high quality steel structure products with competitive price.

2 we can design as your detailed requests to ensure our product is only the best for you.

3 if you have drawings, we could help you modify and optimise it. that will make your design is cost- effective design. make it easy installation and save the material. also need to meet your requests. (that is our unique advantage)

4 we could supply the installation service. we can send our engineers to help you install the steel structure. and if neccessary we also could send workers to install it, but i do not think that is a good idea to make it cost-effective. O(∩_∩)O

5 make the tolerance of weight within 6%, (between construction drawings and actual weight).

Quality control

QC/Technical Support
Raw material quality control
Thickness tolerance <0.25mm
Yield and tension strength testing in-house
Third party inspection certificate
Supply traceable mill certificate

Structural steel fabrication quality control
100% testing dimension tolerance <1mm
20% sample welding line ultrasonic testing, no fault, full penetration.
20% magnetic powder testing, no bubble, no defect, Smooth and Full
Supply third-party inspection assistance.

Shot blasting and painting quality control
Shot blasting grade Sa. 2.5 Metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
Paint primer within 5 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75UM

Pre-assembly testing the connection details.

Our customer


At currently we have three types loading plan as below:

1 We use 4O"HQ container, This way we loading and unloading is very slow and diffcult. But this way is the lowest cost.

2 We use 40" OT container, we can load all members easily. and good way to protect the possible damage during shipping. But that will cost more ocea freight.

3 We still use 40" HQ, but we could make a steel pallet to put all members on it. And then we push it into the container, this way is the fastest way to loading and unloading, and we can make the pakage to project any damage during shipping. But the steel pallet will cost about 800 usd per pc.

How to order ?

Product Tags:

prefab steel warehouse


metal frame warehouse

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