... material is ss304, 316, 316L, suitable for the glass curtain wall.2.Arms:6arms,4arms,3arms,2arms,1arms (includes long ... ourselves as manufacturer. Our factory is specialized in producing glass curtain wall finttings, spiders, fin spiders, routels, tension rod and ... than 10 years, workers' high specialization, the advanced technology used and the modern control and measurement equipments have made ...