Alloy truss called truss, aluminum truss is usually made of aluminum after cutting, machining, welding, polishing, painting and other treatment combination truss system. Aluminum truss can be based on site and build into a variety of different sizes and specifications of the truss system, and can be flexibly combined according to specific requirements. Aluminum truss Category: 1, according to the shape can be divided into: Quartet (angle) truss, triangular truss and shaped trusses. 2, according to installation category can be divided into: bolt truss and screw truss. Aluminum truss features: First, the quality of light; two, excellent corrosion resistance and durability; three, excellent compression capability. Quality aluminum truss generally use bubble bag to ensure that products in transit will not wear; while the poor use of aluminum truss packaging plastic bag, easy to wear in transit. Quality aluminum truss head plug welded at both ends, it will enhance the truss itself STRENGTH; while the inferior head of aluminum truss ends are empty, neither beautiful, the intensity is not high, by the end easily deformed when crashing. Truss http://www.bzhangjia.com