Metal coil drapery is a new kind of building decoration materials. Usaully it is made of aluminum alloy wire and can be coated various colors, it is lightweight and can be show an good sence under the neon light. It also can be made of stainless steel wire or cooper wire. with the remarkable improvement of people's living standard, they are more and more popular and widely used in building elevation,divider,the ceilling,shade,balconies and corridors,shutter,staircases and airport access stations,hotels,museums,opera houses,concert halls,office buildings,exhibition halls,shopping malls,such as the high-grade internal and external decoration.