... European styleNylon tubing (PA tube, Polyamide tube), Trailer Air Brake Hose, seven cable volute producted by Zhuji Changrong Machinary CO ... every connection line of tractors, trucks, trailers, containerized traffic and varies air brake.2.Material: PA12, PA11, PA6, PE, PU 3. ... Excellence: have optimun in nylon chemistry and the physics stability. lightly ...