Web steel building system originates from Canada and has been applied in many countries in North America for more than 20 years Currently, it is the only technology, which can adopt 100% cold-formed thin-walled steel to construct buildings with up to 6 stories and can be adopted for every climate conditions The main body of building members for the web steel system is a miniature bridge frame which is composed of light, thin wall square tube (rectangular tube) undergoing galvanization cold-formed high-frequency welding and triangular V-shaped connector This bridge frame may be adopted for building beam, wall, floor, as well as roof
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