Singer is one of the most professional manufacturer, and we are committed to design the finest product to meet different market and customer demands.

San-gobuild ® fibreglass asphalt shingle is popular roof material worldwidely, which is fashion, colorful, durable, but the price is not high. what's more, people can choose the style and color on their own preference, beacuse San-gobuild® have five styles and more colors for each style. It means people have bigger imaginary space to decorate their house.