Demountable multi-floor pre-fabricated steel office building  

All of the members are made from quality GB Q235B and Q345B raw materials.

2. Design: safe & flexible & economic

1)    Skilled design team: more than 20 senior & middle-rank technicians with more than 8 years design experience;

2)    3D picture for pre-view;

3)    Crane available

First: have engineers who know both steel structure & crane design, can better know how will crane influence.  We're steel structure & crane manufacture;

Second: do pre-assemble, commissioning and performance test before shipment on 100t crane platform

---ensure all items available

---ensure all items can be assembled

---ensure crane can smooth running 

4)    Detailed price sheet include all the member size, weight, unit price, executive norm...

3. Strict working flow and QC process

1)    Automatic cutting and welding machine ensure accuracy;

2)    Material report showed;

3)    100% QC before shipment

Below defects are not allowed

4)    Third party and factoty inspection are warmly welcome;

5) CE, ISO listed; Inspected by Bureau Veritas Certification;

4. Project speak louder than words

Below is a steel workshop we have done for Indonesia shipyard since 2010 and lasted for several stages.

It covers about 40,000 square meter and 23.5m high, includes raw material area, ship manufacturing area, painting area, pre-testing area and storge room. Also it equipped with several single/double girder overhead cranes.

This customer speak highly of our products and service, and introduced two of his friends to us.

For more details, please check in www.nhguanhui.en.china.cn

1)    We use safe way to hang the members;

2)    All frangible accessories will be protected by bubble rapping papers and then packaged in a plywood box;

3)    Delivery time: strictly performer based on contract;

1)    Installation drawing, instruction, and video for assembling;

2)    Engineers send for installation guidance available;

1)     How can you avoid size error?

We select international size error standards;

Use specified equipments to cut shear and rectify steel plate according to steel thickness;

Standard weld and installation order to lessen deformation.

2) How can you deal with deformation when welding?

We select suitable welding method, material and sequence as specified material required.

3) Cost if ask engineers to assemble?

To/fro air tickets, eating, living, translation fee, visa fee and salary.

For 30 years, Guanhui are devoting to develop completely new conception of pre-engineered building that use steel structure as frame, various panels as cladding system, and bolts to connect.

We have both 15,000 m² steel structure and 20,000 m² crane production bases; can meet your 2 needs simultaneously, avoid purchase, installation and usage contradiction. Here you can get satisfied demountable multi-floor pre-fabricated steel office building.