good raw material, good technique, high quality, good looking, many kinds of colours, long service “Seher” aluminum-plastic composite pipes (butt & overlap welding) are produced with advanced technology and scientific quality management, they meet the international...

low expansitity,long service life,good raw material,good quality, good looking “Seher” PP-R aluminum-plastic composite pipe consists 5 layers, in the middle layer is aluminum, outer layer is PP-R, inner layer is PE or PP-R, between the layers is imported hot-melt...