1. Characteristics for the prefabricated classrooms ( made of steel frame ) :

1 ) Wide span : single span or multiple spans , the max span is 36m without middle column .

2 ) Low cost : Unit price range from USD35 / m2 to USD70 / m2 according to customers' request .

3 ) Fast construction and easy installation .

4 ) Long using life : up to 50 years .

5 ) Easy construction , time-saving , and labor saving 
6 ) Flexible layout , beautiful appearances , and higher space efficiency 
7 ) Be used as warehouses , workshops , shopping mall , dinning hall , stadium , etc .

8 ) Others : environmental protection , stable structure , earthquake proofing , water proofing , and energy conserving .

2. Our business and products scope:

Our company is dedicated to steel framed buildings, from research, design, manufacture, installation and after-sales service. We mainly provide a comprehensive range of steel structure products, including multi-storey high-rise buildings( for commercial offices, hotels, residents, etc.), light steel structure system( for warehouse, workshop, supermarket etc.) and the wide-span steel structure system( for airport, exhibition center, stadium, etc. ) , prefabricated classrooms ( made of steel frame ) etc. Additionally, service of technology consult is available.

3. Project case- Philippines Prefabricated Cold Storage Warehouse, 2013, 2900 tons:

Main steel frame:

Steel beam & column: Q345, Welded H beam

Wind-resistant column: Q345, Welded H beam

Secondary frame:

Roof purlin: Z250*75*20*2.2

Ceiling purlin: C120*50*20*2.2

Wall purlin: C180*70*20*2

Tie bar: 102*2

Vertical & horizontal bracing: 20

Kneel-bracing: L504

Purlin bracing: Q235, 12

Sleeves tube: Q235, 32*2.5

Roof system:

Type V930 pu panel 0.5/100/0.6mm Pu panel

Wall system:

Type v930 panel 0.5/100/0.6mm Pu panel

This project is invested by the government, before the client issue the order, the client, government, and the 3rd party consulting company visited us for 4 times. Finally after compare the advantage between 6 suppliers, they choose us. The later result prove their selection are wise. We finish the project 20 days before the delivery end date, and with good quality.

4. We found international surface treatment system for the prefabricated classrooms ( made of steel frame ) :

We got NACE 1 and 2 level certificate as per American standard.

We build professional enclosed shot blasting workshop, enclosed sand blasting room, 34000m2 fully-enclosed painting workshop and 20, 000 m2 enclosed packing workshop.

5. Packaging & Shipping for prefabricated classrooms ( made of steel frame ) :

1) Steel structure components will be packaged by steel pallet made by channel steel, and the end plate will be properly protected.

2) Sandwich panels will be covered with plastic film.

3) Bolts and accessories will be loaded into wooden boxes.

4) Each column & beam will be marked according to installation drawing.

6. FAQ:

1) How about the derust grade of your prefabricated classrooms ( made of steel frame ) ?

Reply: Ball blasting Sa2.5 on main steel structure or by Galvanized frame;

manual derust St2.5 on secondary steel structure.

2) What kind of panel used for the roof and wall ?

Reply: Color corrugated steel sheet and sandwich panel could be used. Sandwich panel performs well on the heat insulation, sound insulation. Common sandwich materials are EPS, glass wool and PU sandwich panels.

3) Are prefabricated classrooms ( made of steel frame ) expensive ?

Answer: The steel structure of our company is economic. Its technology and materials used decreases waste expenses such as wood, decorative stone, brick etc. All the material including the steel frames, wall body and roof for installation are prefabricated during the production process, therefore the labor costs for installation is decreased.