Dorian group has another branch factory which specialized in producing kinds of color steel sheet, sandwich panel (such as EPS panel , glass wool panel , PU panel etc.) as the material of wall and roof to match with steel structure building. Products mainly cover steel structure warehouse ,steel structure workshop , prefab house ,container house,project fence,movable toilet ,color steel tile , sandwich panel, etc.

Dongrui group has one-stop service from designing ,manufacturing,shipment to installation to meet the market and consumers' demanding all over the world .In line with the principle of quality and customer first, we will sincerely serve you, create our own brand, let the world recognize our quality and service.

1.What is prefab house?

A prefab house is shortened name for a prefabricated house, which is ahome/house that has components manufactured in an off- ·site industrialfacility. They are sometimes referred to as factory· -made or modularhouses, although there are some differences.


2.What are the advantages of your prefab house?Light weight,wind resistance,anti- seismic,fire proof, sound

Light weight ,wind resistance ,anti-seismic ,fire proof,sound proof ,environmentally friendly, Quicker to build, Cost effective etc.


3.What is your product range?

We specialized in design and manufacturing prefab house,containerhouse,light steel structure villa house,steel structure,guard house andfence as well.


4.What are your house made of?

Our Prefab house is made of light steel structure and cement board orsandwich panels for the walls and roof.The wal/roof panel can be polystyrene, polyurethane, rock wool, fiber glass sandwich panels.Thestructure is connected by bolts and the walls are fixed with rivets.

5.Prefab house Installation time?

It depends on the house specification and the house building materials.Usually ,sandwich panel house type 4 skilled workers can finish80-100/sqm in 8 hours.Villa house type 4 skilled workers can finish80-100/sqm in 15-20 days.


6.What should be prepare for the site before start to built?

At the very least, you will need concrete piers for the columns to sit upon.Most people pour a full foundation, but if you are using the building on afarm or ranch and plan to have dirt, gravel, or sawdust floors, a piersystem may be preferable. In these situations, a popular optionis tocombine piers with a concrete footing around the perimeter of thebuilding.