Jiaozuo bright 1.2 m to 6 m Constant manufacturers offer hinges, hinges boom, boom Constant ..

Jiaozuo bright 1.2 m to 6 m Constant hinge manufacturers offer, Constant hinges, square tube Constant boom, electric hinges, led special hinges are made of high quality aluminum alloy material, the whole spray, anti-static. Light weight, oriented, high strength characteristics. Constant Spring closing spring made of imported special steel with a special treatment, durable, corrosion-resistant, service life is not less than 50,000 times. The use of the characteristics of the constant force spring mounted on the hinge, together with the corresponding fixture to achieve vertical lift function. When used according to need, to stay in any height, neither fall nor retraction phenomenon, to ensure accurate positioning. Constant boom hinge characteristic is the result of a compact, easy to install, easy to maintain, easy to use, flexible, small and medium sized studio lamps hanging main election equipment. Specifications from 1 m to 5 m.