New flat head bolt frame: the new frame imported truss flat bolt connection methods, made to establish a more convenient and quick installation, beautiful appearance is concise, small volume, light installed three characteristics, material USES high strength aluminum alloy profiles, suitable for indoor and outdoor use such as all kinds of activities and occasions. 
Special fixtures are: special-shaped lighting fixtures have round, heart, star frame and so on, have unilateral type, triangle and quadrilateral respectively. Usually from 1 m to 8 m, according to the load and the size of the shape, the coffin, structure is divided into screw type and bolt type two kinds. Members of the opposite sex other shapes can be customized.