Light frame: light frame truss frame is also called, is often used to build a kind of stage lighting stage equipment, its main role is to hang a variety of stage lighting equipment, so called light aircraft. Light aircraft currently on the market, there are two, one is a screw-type, the other one is the bolt. Cross-sectional size of the frame can be divided into light lighting lights frame, medium light aircraft, heavy light aircraft. Depending on the shape of the light frame truss tube can be divided into two, three and four truss truss, the market is the most used four-screw-type light aircraft. 400 * 400 aluminum truss Details 400 X 400 is a medium-sized family-type aluminum lighthouse lighthouse. This section lighthouse international standards (6082-T6) aluminum, is in charge of diameter 50 * 3mm, auxiliary tube 25 * 2mm, inclined tube 20 * 2mm, after mechanical designers carefully reasonable structure design makes this aluminum truss beautiful and practical. This section aluminum truss suitable for medium-sized performances. The lighthouse Single (5M) bearing 600KG, safe span 16M. Quick and easy installation, any combination can achieve the desired effect you want. Heavy lifting within the provisions of safety and reliability, service life up to 30-40 years. Aluminum stage truss materials are selected international quality aluminum 6061-T6, the interface 50 * 25 * 3 Head word square pass, single frame, tripod, square truss, length 1m / 1.5m / 2m / 2.5m / 3m / 3.5m / 4m small display rack: 200mm * 200mm / 250mm * 250mm medium stage truss: 300mm * 300mm / 350mm * 350mm / 400mm * 400mm / 450mm * 450mm / 500mm * 500mm large stage lighting frame: 400mm * 600mm, 450mm * 600mm / 520mm * 760mm / 600mm * 760mm / 600mm * 800mm/760mm * 1000mm/800mm * 1000mm current plant is constantly introducing new products and factories are equipped with a large exhibition hall, exhibition products readily available and constantly updated products welcome new and old customers to inquire, to visit our factory. Tel: 15689697768 QQ: 2358820881 (contact Miss Choi)