Advantages of light steel structure:
1) Cost saving and transportation convenient, custom design available.
2) The main beam and column are made of quality steel.
3) Steel structure makes the house resist heavy wind of 140km/h and 8-grade earthquake.
4) Easy assembly and disassembly several times without damage.
5) Widely used in construction site, office building, dormitory etc.
6) Good environmental protection effect. Steel structure housing construction greatly reduces sand, stone and dosage of the ash. Most of the used materials are recyclable or degradable, little rubbish produced.

Drawings & Quotation:
1) Customized design is welcomed.As long as you like, we can design and provide drawings for you.
2) In order to give you an exactly quotation and drawings, please let us know the blow information:

  1. Dimension: Length, width, height, eave height, roof pitch, etc.

  2. Doors and windows: Dimension, quantity, position to put them.

  3. Local climate: Wind speed, snow load, floor load etc.

  4. Wall and roof material: Sandwich panel or steel sheet.

  5. Crane beam: Do you need crane beam inside the steel structure? And its capacity.

  6. Other requirements.

Project: 3700 SQM Granite manufacturing workshop in Algeria 

Building size: 100x37x9m

Exporting year year: 2017

Built year: 2017

Type: portal frame Granite manufacturing factory workshop building 

Project address: SIDI BEL ABBES , Algeria

Wind speed: 80km/hour

Snow load: no

Column, beam: Q345 H section steel

Purlin: galvanized C purlin

Thermal insulation Wall and roof panel:50mm EPS sandwich panel 

Car shed roof panel: 0.5mm V840 type steel sheet

Doors with canopy : EPS sandwich panel sliding door 5x4.5m/8 sets

Windows: PVC frame windows 3x1.2m/64 sets

Crane: 10 tonne overhead crane, run full length. 

1. Base: Concrete and steel foundation bolts.

2. Column and beam: material Q345(S355JR)or Q235(S235JR) steel, all bolts connection ,straight cross-section or Variable cross-section.

3. Surfrace: Paint or hot dip galvanized.

4. Galvanized C or Z purlin,size from C100~C320,Z160~Z300.

5. Bracing: X or V or other type bracing made from angle , round pipe etc.

6. Roof and Wall Panel:

(a) Single colorful corrugated steel sheet --Thickness:0.12-1.2mm; Width: 310-1150mm, etc.

(b) Sandwich panel with EPS, rock wool, glass wool , PU etc.-- Thickness around 50mm~150mm;Width 970mm or 950mm.

7. Accessories: semi-transparent skylight belts, Ventilators, down pipe, out gutter etc.

Company Name:Director Co.,Ltd

Qingdao Director Steel Structure Co.,Ltd

Add:Room 1102, Unit A, No.1 Building, Haili Plaza, No. 917, Tongan Road, Qingdao, China

Web: ;  

Contact Person:Alison Zhang

Tel: 0086-532-66716752  

Fax: 0086-532-66710826

E-mail: info(at)

Whatsapp & cell: 0086-13280803375

Skype: Alison.zhang99

Pls kindly scan Quick Response (QR) code(our website),you could get more information by cellphone.