The new type of polyurethane wall panel

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The new type of polyurethane wall panel

1.New fireproof rock wool sandwich board uses two-layer high quality colored steel sheet or other precision profiled metal plate as the panel board. After the board is rolled and shaped, stripped rock wool should be turned 90°(make its fiber perpendicular to upper and lower steel sheets), and then fire resistant bond with high strength and cohesion should be used for bonding the high quality rock wool with the metal panel together, thereby composing beautiful, smooth and rigid building board. The shaped board has excellent fire prevention, thermal insulation and environmental protection features and provides one superexcellent choice for industrial building enclosure system.
2. POILISOCYANURATE, abbreviated as PIR; composite boards developed by DUOWEI use excessive sulfone isocyanurate, so ring structure of chemical compound and higher sulfone isocyanurate index form the dense PIR, thereby making interior rigid foam more stable and have high heat resistance and flame resistance. Experiment shows that the bubble can endure 200 ℃ in a short time and can endure 160℃ in a long time.


1.  A group corporation enjoying a competitive edge in the field of steel structure and new building boards, was founded in 1983 with the registered capital being 126 million yuan in exporting colored steel sheet, whose headquarters is located in Zhongguancun Fengtai Science Park, Beijing.

2. In the 1980s, CNBM has achieved professional advantages in the field of building metal profiled plates, and thenceforward it rapidly grew into an integrated enterprise group combining with design, manufacturing, construction, services and international trade. It is the main provider and market leader of steel structure and new construction boards in China. CNBM COLORED STEEL PLATE SANDWICH PANEL  currently has 16 branches and 10 manufacturing plants respectively in Beijing, Tianjin, Hebei, Shenyang, Harbin, Baotou and Urumqi,

whose products have been exported to over 40 countries and regions around the world.

3 Today, CNBM  is now the top 500 Fortun Globe has grown as an enterprise with such honors as Famous Trademark of China, the Best General Service Provider of Steel Structure Building System of China, the Leader of China's New Energy-efficient Construction Board Industry,

4. China’s Top ONE Construction Enterprises in the Steel Structure Industry, the High and New Technology Enterprises in Beijing, the High and New Technology Enterprises in Zhongguancun. DUOWEI is the main co-compiler of 16 national standards and industrial standards, and possesses the National Qualification of Class A in Architectural General Design, the Qualification of Grade A in Steel Structure Engineering Special Design, the Special-grade Qualification of Steel Structure Manufacturing, the Qualification of Class A in Professional Contracting for Steel Structure Projects and the certificate of ISO 9001: 2008 International Quality Management System Certification.

5.  CNBM benefits its cooperative partners continuously, like the building owners and investors, with exquisite technologies, high-quality

products and differentiated services. DUOWEI steel structure products featured in high-rise steel structure, space steel structure, heavy frame steel structure and light steel structure, has reached to 250 thousand tons in annual production; the annual production capacity of CNBM polyurethane energy-saving sandwich boards, new fireproof rock wool/glass fiber cotton sandwich boards has reached to 3 million square meters;

6. The annual production capacity of CNBM adjustable steel truss floor support plates and closed composite slabs is 5 million square meters; and the annual production capacity of CNBM colorful profiled steel plates has reached to 30 million square meters.

7.CNBM  Group has been making successes in serving PetroChina, Aerospace China,

China Nuclear Power, China FAW, China Guodian, China CNR, China Coal and other super large enterprises, and participating in national key projects, such as Hexie locomotive, National Grand Rocket, National Large Aircraft, Aerospace Coal Gasification, etc., and the group will continuously provide customers with innovative products and high-quality engineering services.

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